Intel (INTC) had the highest return in April 2026 by a mega-cap US stock, returning 110%.

ASSET	MONTH	% RETURN
Intel (INTC)	April 2026	109.96%
Advanced Micro Devices (AMD)	April 2026	70.76%
Seagate Technology (STX)	April 2026	69.9%
Sandisk (SNDK)	April 2026	68.1%
Marvell Technology (MRVL)	April 2026	63.89%
Western Digital (WDC)	April 2026	54.91%
Micron Technology (MU)	April 2026	48.22%
Texas Instruments (TXN)	April 2026	44.68%
Arm Holdings plc American Depositary Shares (ARM)	April 2026	36.23%
UnitedHealth (UNH)	April 2026	35.11%
Broadcom (AVGO)	April 2026	33.21%
Alphabet Inc Class A (GOOGL)	April 2026	32.31%
Amazon (AMZN)	April 2026	25.96%
Dell Technologies (DELL)	April 2026	25.52%
Caterpillar (CAT)	April 2026	23.52%
GE Vernova LLC (GEV)	April 2026	21.94%
Lam Research (LRCX)	April 2026	19.68%
Cisco Systems (CSCO)	April 2026	17.94%
KLA (KLAC)	April 2026	17.93%
Amphenol (APH)	April 2026	15.81%
Taiwan Semiconductor Manufacturing (TSM)	April 2026	15.17%
Novo Nordisk A-S (NVO)	April 2026	14.82%
Applied Materials (AMAT)	April 2026	14.25%
Morgan Stanley (MS)	April 2026	13.44%
NVIDIA (NVDA)	April 2026	13.39%

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