what is the most performance small cap stock between january 1 1960 and december 30 1965

Xerox (XRX) had the highest return between January 1, 1960 and December 30, 1965 by a small-cap US stock, returning 535.7%.

ASSETDATE% RETURN
Xerox (XRX)
1/1/1960 - 12/30/1965
535.66%
Small-cap stocks are treated as having a market cap between $300M and $2B.