I came across a pretty interesting chart/graphic via The Chart Store. The image is pretty much self explanatory, but essentially shows the average 1 month percent change of the S&P 500 for all years 1928-2009.
Obviously the market has risen significantly since 1929, so it is no surprise that most months are in the green; however, it is pretty interesting to note that most losses come in just 3 months (2 of which bookend the sell in May and go away theory).
Now we can be happy May is over, but are you looking forward to September?
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Three Reasons Stocks Could Jump 18% in 2012
(Wall Street Daily, 1/24/12)
S&P 500 Chart – The Art of Technical Analysis
(My Trader's Journal, 1/22/12)
Why We May See a Rally in U.S. Stocks
(Money Morning, 12/19/11)