Alumis Shares Surge 16% as Traders Eye New Drug Move

Alumis Inc. jumped 15.55% Friday, finishing at $24.15 on Nasdaq—up $3.25. Volume hit about 2.25 million shares, more than double its typical 1.01 million average. Market cap climbed to $3.08 billion. The stock moved closer to its 52-week high of $30.60, according to Google Finance.

Biggest Stock Gainers Today (December 5, 2025): TGL, SMX, WHLR, DBRG, TORO, PRAX and RBRK Lead a Volatile Session

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