Dell Technologies (DELL) had the highest return on October 20 by a mega-cap US stock, returning 3.8%.

ASSET	DATE	% RETURN
Dell Technologies (DELL)	10/20/2026	3.84%
Amgen (AMGN)	10/20/2026	3.14%
International Business Machines (IBM)	10/20/2026	2.47%
UnitedHealth (UNH)	10/20/2026	2.23%
Taiwan Semiconductor Manufacturing (TSM)	10/20/2026	2.11%
Oracle (ORCL)	10/20/2026	2.05%
Caterpillar (CAT)	10/20/2026	2%
Texas Instruments (TXN)	10/20/2026	1.87%
Goldman Sachs (GS)	10/20/2026	1.65%
Morgan Stanley (MS)	10/20/2026	1.62%
Eli Lilly and (LLY)	10/20/2026	1.6%
SK Hynix Inc American Depositary Shares (SKHY)	10/20/2026	1.59%
Mitsubishi UFJ Financial Group Inc ADR (MUFG)	10/20/2026	1.56%
Toronto Dominion Bank (TD)	10/20/2026	1.55%
Alibaba (BABA)	10/20/2026	1.5%
Merck (MRK)	10/20/2026	1.37%
Micron Technology (MU)	10/20/2026	1.35%
Walt Disney (DIS)	10/20/2026	1.32%
SAP SE ADR (SAP)	10/20/2026	1.13%
SpaceX (SPCX)	10/20/2026	1.11%
Citigroup (C)	10/20/2026	1.09%
Thermo Fisher Scientific (TMO)	10/20/2026	1.06%
Intel (INTC)	10/20/2026	1.06%
Berkshire Hathaway (BRK.B)	10/20/2026	1.04%
Novartis AG ADR (NVS)	10/20/2026	0.98%

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