Microsoft (MSFT) returned 125.1% in 1987.

Quidel (QDEL) had the highest return between January 1, 2020 and April 30, 2020 by a mid-cap US stock or mid-cap US stock, returning 84.7%.

Walmart (WMT) returned -21.9% in 2000.

Walmart (WMT) returned 35.9% in 1990.

Walmart (WMT) returned 46.1% in 1989.

Immunitybio (IBRX) had the highest return in January 2020 by a mid-cap US stock or mid-cap US stock, returning 65%.

Bill Com (BILL) had the highest return between January 1, 2020 and February 29, 2020 by a mid-cap US stock or mid-cap US stock, returning 48%.

Walmart (WMT) returned 11.4% in 1987.

Walmart (WMT) returned 46.4% in 1986.

Walmart (WMT) returned 68.6% in 1985.

Walmart (WMT) returned 83.1% in 1980.

Walmart (WMT) returned 135.3% in 1982.

Axsome Therapeutics (AXSM) had the highest return between October 1, 2019 and December 31, 2019 by a mid-cap US stock or mid-cap US stock, returning 410.4%.

Walmart (WMT) returned 41.1% in 1981.

Arrowhead Pharmaceuticals (ARWR) had the highest return in October 2019 by a mid-cap US stock or mid-cap US stock, returning 42.5%.