As posted 10/5/2011.
I have compiled a library of bottoms in the S&P 500 since 1970 using weekly charts. The first chart is a monthly 40 year chart, the rest are weekly charts showing some of the bottoms from the monthly chart. Thanks to Telechart for the charts. Enjoy.
S&P Monthly 1970 - 2011
S&P 500 Weekly – 2009 Bottom
S&P 500 – 2003 Bottom
S&P 500 – 1990 Bottom
S&P 500 – 1987 Bottom
S&P 500 – 1982 Bottom
S&P 500 – 1980 Bottom
S&P 500 – 1978 Bottom
S&P 500 – 1974 Bottom
S&P 500 – 1970, 1971 Bottoms