Regeneron Pharmaceuticals (REGN) had the highest return between January 1, 2012 and September 30, 2012 by a large-cap US stock, returning 170.1%.
Regeneron Pharmaceuticals (REGN) had the highest return between January 1, 2012 and September 30, 2012 by a large-cap US stock, returning 170.1%.
Large-cap stocks are treated as having a market cap of $10B+.