This article was automatically generated using Dow Jones technology.

Shares of small-cap companies were mixed Monday, as the Russell 2000 Index closed flat, and the S&P Small Cap 600 Index was down 0.4%.

Among companies with a market value of $1 billion to $6.7 billion, WAVE Life Sciences Ltd. was the best performer during the session, surging 147%, followed by Kymera Therapeutics Inc., which surged 41%. Terns Pharmaceuticals Inc. shares surged 37%, Ocular Therapeutix Inc. jumped 28%, and shares of Nurix Therapeutics Inc. surged 19%.

New Found Gold Corp. was the biggest laggard, dropping 11%, followed by shares of Omada Health Inc., which dropped 11%. Shares of Sana Biotechnology Inc. dropped 9.7%, Acadia Healthcare Co. Inc. shares tumbled 9.5%, and American Bitcoin Corp. tumbled 9.4%.

Major U.S. stock indexes declined Monday as the Nasdaq Composite Index fell 0.1%. Meanwhile, the S&P 500 Index fell 0.3%, and the Dow Jones Industrial Average dropped 0.4%.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

December 08, 2025 16:20 ET (21:20 GMT)

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