Example:
Date closed Gain + or - % + or -
12/30/70 838.92
12/31/71 890.20 +51.28 + 6.11%
12/29/72 1020.02 +129.82 +14.58%
12/31/73 850.86 -169.82 -16.58%

I would ike to keep a running total as I add the date and closed data for as
long as I can, say 30 years or more.


Thanks,
Ed