This article was automatically generated using Dow Jones technology.

Shares of small-cap companies added Tuesday, as the Russell 2000 Index increased 0.5%, and the S&P Small Cap 600 Index was up 0.6%.

Among companies with a market value of $1 billion to $6.7 billion, Ambarella Inc. was the best performer during the session, surging 28%, followed by Rezolve AI PLC, which surged 21%. FuelCell Energy Inc. shares jumped 21%, AEVEX Corp. Cl A surged 16%, and shares of Ouster Inc. jumped 16%.

Sable Offshore Corp. Cl A was the biggest laggard, dropping 56%, followed by shares of Heartflow Inc., which dropped 16%. Shares of Concentrix Corp. dropped 11%, Lexicon Pharmaceuticals Inc. shares plunged 9.1%, and Alphatec Holdings Inc. plunged 8.9%.

Major stock indexes in the U.S. rose Tuesday as the Nasdaq Composite Index increased 1.5%. Meanwhile, the S&P 500 Index gained 0.8%, and the Dow Jones Industrial Average gained 0.3%.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

June 30, 2026 16:20 ET (20:20 GMT)

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