best performing large-cap stocks december 205

Regencell Bioscience (RGC) had the highest return in December 2025 by a large-cap US stock, returning 82.5%.

ASSETMONTH% RETURN
Regencell Bioscience (RGC)
December 2025
82.45%
Planet Labs PBC (PL)
December 2025
70%
Rocket Lab USA (RKLB)
December 2025
69.53%
EchoStar (SATS)
December 2025
52.52%
Applied Opt (AAOI)
December 2025
35.22%
Ast Spacemobile (ASTS)
December 2025
33.63%
MongoDB (MDB)
December 2025
28.57%
Carnival Plc ADS (CUK)
December 2025
27.17%
Alcoa (AA)
December 2025
27.07%
Arrowhead Pharmaceuticals (ARWR)
December 2025
26.77%
Vicor (VICR)
December 2025
25.09%
Elbit Systems (ESLT)
December 2025
24.31%
Micron Technology (MU)
December 2025
22.92%
Sitime (SITM)
December 2025
21.95%
Axsome Therapeutics (AXSM)
December 2025
21.76%
Dollar General (DG)
December 2025
21.64%
Warner Bros Discovery (WBD)
December 2025
21.02%
Microchip Technology (MCHP)
December 2025
20.5%
UBS (UBS)
December 2025
20.38%
Ciena (CIEN)
December 2025
20.25%
Southwest Airlines (LUV)
December 2025
20.21%
Medline Inc Class A Common Stock (MDLN)
December 2025
20%
Carnival (CCL)
December 2025
19.11%
Rivian Automotive (RIVN)
December 2025
19.09%
TFI International (TFII)
December 2025
18.84%
Large-cap stocks are treated as having a market cap of $10B+.