Cisco Systems (CSCO) had the highest return between January 1, 1990 and December 31, 1999 by a mega-cap US stock, returning 69,239.1%.
Cisco Systems (CSCO) had the highest return between January 1, 1990 and December 31, 1999 by a mega-cap US stock, returning 69,239.1%.
Mega-cap stocks are treated as having a market cap of $200B+.