Palantir Technologies (PLTR) had the highest return between 2023 and 2024 by a mega-cap US stock, returning 1,049.4%.

ASSET	YEARS	% RETURN
Palantir Technologies (PLTR)	2023-2024	1,049.39%
NVIDIA (NVDA)	2023-2024	804.9%
Facebook (META)	2023-2024	378.54%
Broadcom (AVGO)	2023-2024	325.33%
Arista Networks (ANET)	2023-2024	259.71%
Tesla (TSLA)	2023-2024	240.88%
GE Aerospace (GE)	2023-2024	221.59%
Crowdstrike (CRWD)	2023-2024	218.29%
Netflix (NFLX)	2023-2024	199.04%
Dell Technologies (DELL)	2023-2024	197.08%
Marvell Technology (MRVL)	2023-2024	193.93%
GE Vernova LLC (GEV)	2023-2024	186.24%
Taiwan Semiconductor Manufacturing (TSM)	2023-2024	168.62%
Palo Alto Networks (PANW)	2023-2024	157.51%
Amazon (AMZN)	2023-2024	156.72%
Arm Holdings plc American Depositary Shares (ARM)	2023-2024	119.89%
Eli Lilly and (LLY)	2023-2024	114.25%
Alphabet Inc Class A (GOOGL)	2023-2024	112.06%
Oracle (ORCL)	2023-2024	107.66%
Costco Wholesale (COST)	2023-2024	107.36%
American Express (AXP)	2023-2024	103.82%
Walmart (WMT)	2023-2024	95.36%
Apple (AAPL)	2023-2024	94.24%
JPMorgan Chase (JPM)	2023-2024	86.89%
Mitsubishi UFJ Financial Group Inc ADR (MUFG)	2023-2024	84.53%

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