Biggest Stock Gainers Today (December 5, 2025): TGL, SMX, WHLR, DBRG, TORO, PRAX and RBRK Lead a Volatile Session
The U.S. stock market logged another upbeat session on Friday, December 5, 2025, with the S&P 500, Nasdaq 100 and Dow all edging higher. But beneath the index-level moves, a cluster of highly volatile small caps, high‑growth tech names and a few mid‑caps stole the show with spectacular double‑ and even triple‑digit gains. StockAnalysis+1 Below is a breakdown of the biggest stock gainers today, why they moved, and what recent forecasts and analyst commentary suggest about their outlooks. All data and price moves refer to the U.S. session on December 5, 2025, unless otherwise noted. Top 10 Biggest U.S. Stock Gainers Today (By