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(CNN) -- On Thursday 19th the Dow Jones index of major U.S. shares closed above the landmark level of 12,000 for the first time in its history, finishing on 12,011.73.
19.05: Overall points that the Dow Jones climbed during trading on Thursday 19th.
12,049.51: The highest level the Dow reached on Thursday before dropping back again.
9: The number of record highs the Dow Jones has set over the last fortnight.
30: Major U.S. corporations whose share prices are listed on the Dow Jones.
1896: The year the Dow Jones index -- or the Dow Jones Industrial Average to give it its proper name -- was established, by Charles Dow, editor of the Wall Street Journal. It initially featured the shares prices of just 12 U.S. companies. The "Jones" is Edward Davis Jones who, along with Dow and Charles Bergstresser founded Dow Jones and Company in 1882
40.94: The Dow Jones first recorded share average.
100: The Dow Jones first closed above 100 points in 1906. It first closed above 500 points in 1956, 1000 points in 1972, 5000 points in 1995 and 10,000 points in 1999.
499.19: Highest ever Dow Jones points gain in a single day of trading, on March 16, 2000
617.78:The largest ever single-day points drop in Dow Jones history, on April 14, 2000.
508: The number of points the Dow Jones plummeted on "Black Monday" -- October 19, 1987 -- the third heaviest one-day loss in Wall Street history (the second heaviest was on October 27, 1997, when the index lost 554 points).
24.39: The heaviest ever percentage drop in Dow Jones history (on December 12, 1914).
4: Number of days that trading on Wall Street was suspended following September 11, 2001.
The Dow Jones hits a record high