what is the most performance small cap stock between 1967 and 1970

Xerox (XRX) had the highest return between 1967 and 1970 by a small-cap US stock, returning 31.2%.

ASSET YEARS % RETURN
Xerox (XRX)
1967-1970
31.18%
Small-cap stocks are treated as having a market cap between $300M and $2B.