3 month t bill monthly return

Among Bill Com (BILL) and AT&T (T), AT&T (T) had the best month in January 1988, returning 14.1%.

ASSETMONTH% RETURN
AT&T (T)
November 1983
-3.28%
AT&T (T)
December 1983
-0.46%
AT&T (T)
January 1984
6.55%
AT&T (T)
February 1984
-4.36%
AT&T (T)
March 1984
-1.69%
AT&T (T)
April 1984
3.94%
AT&T (T)
May 1984
-7.12%
AT&T (T)
June 1984
3.97%
AT&T (T)
July 1984
8.74%
AT&T (T)
August 1984
4.92%
AT&T (T)
September 1984
4.95%
AT&T (T)
October 1984
1.35%
AT&T (T)
November 1984
2.1%
AT&T (T)
December 1984
5.98%
AT&T (T)
January 1985
5.61%
AT&T (T)
February 1985
2.28%
AT&T (T)
March 1985
1.02%
AT&T (T)
April 1985
3.38%
AT&T (T)
May 1985
6.65%
AT&T (T)
June 1985
4.66%
AT&T (T)
July 1985
-1.37%
AT&T (T)
August 1985
0.77%
AT&T (T)
September 1985
-4.74%
AT&T (T)
October 1985
2.73%
AT&T (T)
November 1985
2.39%