This article was automatically generated using Dow Jones technology.

Shares of small-cap companies fell Thursday, as the Russell 2000 Index declined 1.8%, and the S&P Small Cap 600 Index was down 0.7%.

Among companies with a market value of $1 billion to $6.7 billion, Fluence Energy Inc. was the biggest laggard during the session, dropping 35%, followed by shares of Ralliant Corp., which dropped 32%. Shares of Polaryx Therapeutics Inc. dropped 29%, Genius Sports Ltd. shares plunged 28%, and Peloton Interactive Inc. plunged 26%.

Phibro Animal Health Corp. was the best performer, surging 22%, followed by Kulicke & Soffa Industries Inc., which jumped 19%. FormFactor Inc. shares surged 17%, Blue Bird Corp. surged 12%, and shares of Kodiak Gas Services Inc. jumped 12%.

Major stock indexes in the U.S. decreased Thursday with the Nasdaq Composite Index declining 1.6%. Meanwhile, the S&P 500 Index declined 1.2%, and the Dow Jones Industrial Average dropped 1.2%.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

February 05, 2026 16:21 ET (21:21 GMT)

Copyright (c) 2026 Dow Jones & Company, Inc.