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Tuesday, August 09, 2011

Dow up 420+, S&P up 4.7%

by Calculated Risk on 8/09/2011 04:36:00 PM

Yesterday I posted a table of the largest one day declines since 1950 in percentage terms. Below is a table of the largest one day increases. Note that the largest increases happened in 2008 during the bear market.

From MarketWatch: U.S. stocks stage rapid recovery to close up 4%

U.S. stocks rocketed to their best one-day gain since March 2009 ... The Dow Jones Industrial ended up 429.92 points ... The S&P 500 added 53.07 points, or 4.7% ... The Nasdaq added 124.83 points, or 5.3%.
Here is a table of the largest one day increases (in percentage terms) for the S&P 500 since January 1950. There were quite a few large up and down days in 2008 ... today is highlighted in red.

Largest S&P 500 One Day Percentage Increases since 1950
 DatePercent IncreaseClosePrevious CloseSix Months Later
110/13/0811.6%1003.35899.22-16.1%
210/28/0810.8%940.51848.92-7.1%
310/21/879.1%258.38236.83-0.9%
43/23/097.1%822.92768.5429.8%
511/13/086.9%911.29852.3-3.1%
611/24/086.5%851.81800.034.8%
73/10/096.4%719.6676.5341.2%
811/21/086.3%800.03752.4413.8%
97/24/025.7%843.43797.74.1%
109/30/085.4%1166.361106.42-31.6%
117/29/025.4%898.96852.84-5.7%
1210/20/875.3%236.83224.848.9%
1312/16/085.1%913.18868.57-0.3%
1410/28/975.1%921.85876.9918.7%
159/8/985.1%1023.46973.8925.1%
165/27/705.0%72.7769.2915.0%
171/3/015.0%1347.561283.27-8.4%
1810/29/874.9%244.77233.287.3%
1910/20/084.8%985.4940.55-13.7%
203/16/004.8%1458.471392.141.8%
218/17/824.8%109.04104.0935.4%
228/9/114.7%1172.531119.46---
2310/15/024.7%881.27841.441.1%
245/29/624.6%58.0855.56.3%
2510/9/744.6%67.8264.8422.1%
2610/23/574.5%40.7338.985.1%
275/10/104.4%1159.731110.885.3%
284/5/014.4%1151.441103.25-8.2%
291/21/094.3%840.24805.2213.6%
309/18/084.3%1206.511156.39-35.0%
3110/16/084.3%946.43907.84-8.1%
323/18/084.2%1330.741276.6-10.4%
3310/7/744.2%64.9562.3423.7%
3410/15/984.2%1047.491005.5325.9%
3511/4/084.1%1005.75966.3-8.6%
367/12/744.1%83.1579.89-14.4%
373/12/094.1%750.74721.3637.6%
389/19/084.0%1255.081206.51-38.8%
392/24/094.0%773.14743.3332.7%
408/14/024.0%919.62884.21-11.0%
4110/1/024.0%847.91815.281.2%