Crowdstrike (CRWD) had the highest return in August 2024 by a mega-cap US stock, returning 19.5%.

ASSET	MONTH	% RETURN
Crowdstrike (CRWD)	August 2024	19.52%
Palantir Technologies (PLTR)	August 2024	16.51%
Marvell Technology (MRVL)	August 2024	16.31%
Eli Lilly and (LLY)	August 2024	15.32%
Walmart (WMT)	August 2024	12.39%
Palo Alto Networks (PANW)	August 2024	12.15%
Netflix (NFLX)	August 2024	11.46%
GE Vernova LLC (GEV)	August 2024	10.5%
Costco Wholesale (COST)	August 2024	9.02%
Berkshire Hathaway (BRK.A)	August 2024	8.39%
Berkshire Hathaway (BRK.B)	August 2024	8.24%
Royal Bank of Canada (RY)	August 2024	8.19%
Coca-Cola (KO)	August 2024	8.16%
Novartis AG ADR (NVS)	August 2024	7.94%
Procter & Gamble (PG)	August 2024	6.63%
Philip Morris International (PM)	August 2024	6.49%
Texas Instruments (TXN)	August 2024	6.24%
Alibaba (BABA)	August 2024	5.8%
International Business Machines (IBM)	August 2024	5.75%
Banco Santander SA ADR (SAN)	August 2024	5.73%
Amphenol (APH)	August 2024	5.51%
Johnson & Johnson (JNJ)	August 2024	5.45%
JPMorgan Chase (JPM)	August 2024	5.44%
RTX (RTX)	August 2024	5.33%
SAP SE ADR (SAP)	August 2024	5.28%

Mega-cap stocks are treated as having a market cap of $200B+.