1940 stock market chart by bi-weekly

The S&P 500 (GSPC) had its best week in 1940 the week of June 10, 1940, returning 10.6%.

ASSETWEEK% RETURN
the S&P 500 (GSPC)
1/1/1940 - 1/7/1940
0.24%
the S&P 500 (GSPC)
1/8/1940 - 1/14/1940
-4.26%
the S&P 500 (GSPC)
1/15/1940 - 1/21/1940
0.66%
the S&P 500 (GSPC)
1/22/1940 - 1/28/1940
0.75%
the S&P 500 (GSPC)
1/29/1940 - 2/4/1940
-0.82%
the S&P 500 (GSPC)
2/5/1940 - 2/11/1940
2.74%
the S&P 500 (GSPC)
2/12/1940 - 2/18/1940
-0.32%
the S&P 500 (GSPC)
2/19/1940 - 2/25/1940
-0.49%
the S&P 500 (GSPC)
2/26/1940 - 3/3/1940
-0.82%
the S&P 500 (GSPC)
3/4/1940 - 3/10/1940
0.91%
the S&P 500 (GSPC)
3/11/1940 - 3/17/1940
-1.39%
the S&P 500 (GSPC)
3/18/1940 - 3/24/1940
1.17%
the S&P 500 (GSPC)
3/25/1940 - 3/31/1940
0.91%
the S&P 500 (GSPC)
4/1/1940 - 4/7/1940
2.21%
the S&P 500 (GSPC)
4/8/1940 - 4/14/1940
-2.14%
the S&P 500 (GSPC)
4/15/1940 - 4/21/1940
-2.27%
the S&P 500 (GSPC)
4/22/1940 - 4/28/1940
-0.49%
the S&P 500 (GSPC)
4/29/1940 - 5/5/1940
0%
the S&P 500 (GSPC)
5/6/1940 - 5/12/1940
-2.49%
the S&P 500 (GSPC)
5/13/1940 - 5/19/1940
-10.44%
the S&P 500 (GSPC)
5/20/1940 - 5/26/1940
-6.44%
the S&P 500 (GSPC)
5/27/1940 - 6/2/1940
-1.17%
the S&P 500 (GSPC)
6/3/1940 - 6/9/1940
2.52%
the S&P 500 (GSPC)
6/10/1940 - 6/16/1940
10.57%
the S&P 500 (GSPC)
6/17/1940 - 6/23/1940
-0.7%