IRhythm Technologies (IRTC) had the highest return in August 2020 by a US stock with a market cap of $2B+, returning 76%.

ASSET	MONTH	% RETURN
iRhythm Technologies (IRTC)	August 2020	75.99%
Tesla (TSLA)	August 2020	71.93%
Brinker International (EAT)	August 2020	68.12%
GameStop (GME)	August 2020	65.76%
Signet Jewelers (SIG)	August 2020	60.5%
Plug Power (PLUG)	August 2020	58.87%
Red Rock Resorts (RRR)	August 2020	57.81%
Rocket Companies (RKT)	August 2020	55.56%
Baldwin Insurance (BWIN)	August 2020	54.81%
Sunrun (RUN)	August 2020	52.11%
Nio Inc Class A ADR (NIO)	August 2020	51.88%
Rhythm Pharmaceuticals (RYTM)	August 2020	51.33%
Immunovant (IMVT)	August 2020	49.54%
Caesars Entertainment (CZR)	August 2020	49.33%
Penn National Gaming (PENN)	August 2020	49.11%
Genworth Financial (GNW)	August 2020	46.6%
Ke Holdings (BEKE)	August 2020	46.29%
Boot Barn (BOOT)	August 2020	45.89%
Royal Caribbean Cruises (RCL)	August 2020	44.68%
Vaxcyte (PCVX)	August 2020	43.52%
Shake Shack (SHAK)	August 2020	42.37%
Digitalbridge (DBRG)	August 2020	41.88%
Dycom Industries (DY)	August 2020	41.76%
Protagonist Therapeutics (PTGX)	August 2020	41.59%
Urban Outfitters (URBN)	August 2020	41.04%