Washington (CNN)Donald Trump said Monday that GOP rival Carly Fiorina's surge will end when voters take a closer look at her business record, one that he says shows "tremendous failure."
Trump said Fiorina's contentious tenure as Hewlett-Packard's CEO and as a top executive at Lucent Technologies make her unelectable. Fiorina has been blamed by some for leading HP's troubled merger with Compaq and the subsequent dip in the company's stock price and the thousands of layoffs that followed, though Fiorina defenders insist her tenure at the head of that company is now increasingly being viewed as a success.

Photos: Donald Trump's rise

Photos: Donald Trump's rise
President-elect Donald Trump has been in the spotlight for years. From developing real estate and producing and starring in TV shows, he became a celebrity long before winning the White House.
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Photos: Donald Trump's rise
Trump at age 4. He was born in 1946 to Fred and Mary Trump in New York City. His father was a real estate developer.
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Photos: Donald Trump's rise
Trump, left, in a family photo. He was the second-youngest of five children.
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Photos: Donald Trump's rise
Trump, center, stands at attention during his senior year at the New York Military Academy in 1964.
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Photos: Donald Trump's rise
Trump, center, wears a baseball uniform at the New York Military Academy in 1964. After he graduated from the boarding school, he went to college. He started at Fordham University before transferring and later graduating from the Wharton School, the University of Pennsylvania's business school.
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Photos: Donald Trump's rise
Trump stands with Alfred Eisenpreis, New York's economic development administrator, in 1976 while they look at a sketch of a new 1,400-room renovation project of the Commodore Hotel. After graduating college in 1968, Trump worked with his father on developments in Queens and Brooklyn before purchasing or building multiple properties in New York and Atlantic City, New Jersey. Those properties included Trump Tower in New York and Trump Plaza and multiple casinos in Atlantic City.
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Photos: Donald Trump's rise
Trump attends an event to mark the start of construction of the New York Convention Center in 1979.
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Photos: Donald Trump's rise
Trump wears a hard hat at the Trump Tower construction site in New York in 1980.
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Photos: Donald Trump's rise
Trump was married to Ivana Zelnicek Trump from 1977 to 1990, when they divorced. They had three children together: Donald Jr., Ivanka and Eric.
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Photos: Donald Trump's rise
The Trump family, circa 1986.
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Photos: Donald Trump's rise
Trump uses his personal helicopter to get around New York in 1987.
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Photos: Donald Trump's rise
Trump stands in the atrium of the Trump Tower.
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Photos: Donald Trump's rise
Trump attends the opening of his new Atlantic City casino, the Taj Mahal, in 1989.
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Photos: Donald Trump's rise
Trump signs his second book, "Trump: Surviving at the Top," in 1990. Trump has published at least 16 other books, including "The Art of the Deal" and "The America We Deserve."
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Photos: Donald Trump's rise
Trump and singer Michael Jackson pose for a photo before traveling to visit Ryan White, a young child with AIDS, in 1990.
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Photos: Donald Trump's rise
Trump dips his second wife, Marla Maples, after the couple married in a private ceremony in New York in December 1993. The couple divorced in 1999 and had one daughter together, Tiffany.
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Photos: Donald Trump's rise
Trump putts a golf ball in his New York office in 1998.
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Photos: Donald Trump's rise
An advertisement for the television show "The Apprentice" hangs at Trump Tower in 2004. The show launched in January of that year. In January 2008, the show returned as "Celebrity Apprentice."
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Photos: Donald Trump's rise
A 12-inch talking Trump doll is on display at a toy store in New York in September 2004.
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Photos: Donald Trump's rise
Trump attends a news conference in 2005 that announced the establishment of Trump University. From 2005 until it closed in 2010, Trump University had about 10,000 people sign up for a program that promised success in real estate. Three separate lawsuits -- two class-action suits filed in California and one filed by New York's attorney general -- argued that the program was mired in fraud and deception. Trump's camp rejected the suits' claims as "baseless." And Trump has charged that the New York case against him is politically motivated.
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Photos: Donald Trump's rise
Trump attends the U.S. Open tennis tournament with his third wife, Melania Knauss-Trump, and their son, Barron, in 2006. Trump and Knauss married in 2005.
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Photos: Donald Trump's rise
Trump wrestles with "Stone Cold" Steve Austin at WrestleMania in 2007. Trump has close ties with the WWE and its CEO, Vince McMahon.
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Photos: Donald Trump's rise
For "The Apprentice," Trump was honored with a star on the Hollywood Walk of Fame in January 2007.
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Photos: Donald Trump's rise
Trump appears on the set of "The Celebrity Apprentice" with two of his children -- Donald Jr. and Ivanka -- in 2009.
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Photos: Donald Trump's rise
Trump poses with Miss Universe contestants in 2011. Trump had been executive producer of the Miss Universe, Miss USA and Miss Teen USA pageants since 1996.
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Photos: Donald Trump's rise
In 2012, Trump announces his endorsement of Republican presidential candidate Mitt Romney.
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Photos: Donald Trump's rise
Trump speaks in Sarasota, Florida, after accepting the Statesman of the Year Award at the Sarasota GOP dinner in August 2012. It was shortly before the Republican National Convention in nearby Tampa.
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Photos: Donald Trump's rise
Trump appears on stage with singer Nick Jonas and television personality Giuliana Rancic during the 2013 Miss USA pageant.
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Photos: Donald Trump's rise
In June 2015, during a speech from Trump Tower, Trump announced that he was running for President. He said he would give up "The Apprentice" to run.
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Photos: Donald Trump's rise
Trump -- flanked by U.S. Sens. Marco Rubio, left, and Ted Cruz -- speaks during a CNN debate in Miami on March 10. Trump dominated the GOP primaries and emerged as the presumptive nominee in May.
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Photos: Donald Trump's rise
The Trump family poses for a photo in New York in April.
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Photos: Donald Trump's rise
Trump speaks during a campaign event in Evansville, Indiana, on April 28. After Trump won the Indiana primary, his last two competitors dropped out of the GOP race.
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Photos: Donald Trump's rise
Trump delivers a speech at the Republican National Convention in July, accepting the party's nomination for President. "I have had a truly great life in business," he said. "But now, my sole and exclusive mission is to go to work for our country -- to go to work for you. It's time to deliver a victory for the American people."
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Photos: Donald Trump's rise
Trump faces Democratic nominee Hillary Clinton in the first presidential debate, which took place in Hempstead, New York, in September.
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Photos: Donald Trump's rise
Trump apologizes in a video, posted to his Twitter account in October, for vulgar and sexually aggressive remarks he made a decade ago regarding women. "I said it, I was wrong and I apologize," Trump said, referring to lewd comments he made during a previously unaired taping of "Access Hollywood." Multiple Republican leaders rescinded their endorsements of Trump after the footage was released.
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Photos: Donald Trump's rise
Trump walks on stage with his family after he was declared the election winner on November 9. "Ours was not a campaign, but rather, an incredible and great movement," he told his supporters in New York.
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Photos: Donald Trump's rise
Trump is joined by his family as he is sworn in as President on January 20.
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"When people see her record, I don't see how she could possibly win," Trump said Monday on NBC's "Today Show."
Fiorina's campaign declined to CNN to comment on the remarks.
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Trump's comments came after a new CNN/ORC poll released Sunday showed Fiorina surging to second place with 15% of support. Trump maintained his status as the front-runner, but his support dropped 8 percentage points to 24%.
Trump also slammed Fiorina for failing to defeat Democratic incumbent Sen. Barbara Boxer in California's 2010 Senate race and said Fiorina's business record is what sunk her prospects in that election.

Photos: Carly Fiorina's political career

Photos: Carly Fiorina's political career
Former business executive Carly Fiorina speaks to guests gathered at the Point of Grace Church for the Iowa Faith and Freedom Coalition 2015 Spring Kickoff on April 25, 2015, in Waukee, Iowa.
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Photos: Carly Fiorina's political career
Fiorina prepares to speak to guests gathered at the Point of Grace Church for the Iowa Faith and Freedom Coalition 2015 Spring Kickoff on April 25, 2015, in Waukee, Iowa.
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Photos: Carly Fiorina's political career
Fiorina speaks to guests gathered at the Point of Grace Church for the Iowa Faith and Freedom Coalition 2015 Spring Kickoff on April 25, 2015, in Waukee, Iowa.
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Photos: Carly Fiorina's political career
Fiorina greets guests at the Johnson County Republicans Spaghetti Dinner at Clear Creek Amana High School on April 24, 2015, in Tiffin, Iowa.
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Photos: Carly Fiorina's political career
Fiorina, right, poses for a selfie with Joe Koberna at the Johnson County Republicans Spaghetti Dinner at Clear Creek Amana High School on April 24, 2015, in Tiffin, Iowa.
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Photos: Carly Fiorina's political career
Fiorina speaks at the First in the Nation Republican Leadership Summit April 18, 2015, in Nashua, New Hampshire.
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Photos: Carly Fiorina's political career
Fiorina speaks during a forum on Capitol Hill March 16, 2015, in Washington. Fiorina spoke about what she calls the War on Women in politics.
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Photos: Carly Fiorina's political career
Fiorina delivers remarks at a discussion called "Welcoming Every Life: Choosing Life after an Unexpected Prenatal Diagnosis, focusing on caring for children with Down Syndrome," organized by the Heritage Foundation and the National Review Institute in Washington on January 20, 2015.
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Photos: Carly Fiorina's political career
Fiorina concedes defeat to her rival Sen. Barbara Boxer, D-California, during a news conference at her Irvine campaign headquarters on November 3, 2010, in Irvine, California.
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Photos: Carly Fiorina's political career
Fiorina, left, watches election results with granddaughter Kara Tribby, 7, in her hotel room at the Hyatt Regency Irvine, November 2, 2010, in Irvine, California.
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Photos: Carly Fiorina's political career
Fiorina, left, puts on headphones before participating in a radio debate with incumbent U.S. Sen. Barbara Boxer, D-California, in Washington, as co-moderator Gabriel Lerner, metro editor of La Opinion, does the same at local public-radio affiliate KPCC studios September 29, 2010, in Pasadena, California.
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Photos: Carly Fiorina's political career
Fiorina arrives for a news conference after participating in a debate with U.S. Sen. Barbara Boxer, D-California, in a radio debate hosted by La Opinion and public radio station KPCC on September 29, 2010, at the KPCC studios in Pasadena, California.
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Photos: Carly Fiorina's political career
Boxer, left, and Fiorina, center, greet moderator Randy Shandobil, right, after a debate on the campus of Saint Mary's College September 1, 2010, in Moraga, California.
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Photos: Carly Fiorina's political career
Fiorina, left, smiles with her husband Frank Fiorina, right, after casting their ballots at a polling place June 8, 2010, in Los Altos Hills, California.
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Photos: Carly Fiorina's political career
Fiorina greets supporters after announcing her candidacy for U.S. Senate at Earth Friendly Products packaging plant on November 4, 2009, in Garden Grove, California.
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Trump hit Fiorina's speaking style, saying that while "she's got a good line of pitter-patter," Fiorina repeats herself.
"She says the same thing over and over and over, but a lot of the people didn't hear it in the debate so they heard it for the first time. It's almost like robotic, frankly," Trump said.
"She's got a good line of pitter-patter but if you listen for 5 minutes you develop a tremendous headache," Trump added in a Fox News interview.















