This article was automatically generated using Dow Jones technology.

Shares of small-cap companies fell Tuesday, as the Russell 2000 Index declined 0.5%, and the S&P Small Cap 600 Index was down 0.8%.

Among companies with a market value of $1 billion to $6.7 billion, Dyne Therapeutics Inc. was the biggest laggard during the session, dropping 16%, followed by shares of Sigma Lithium Corp., which dropped 16%. Shares of Concentrix Corp. dropped 12%, Sana Biotechnology Inc. shares tumbled 10%, and Standard Nuclear Inc. tumbled 10%.

FuelCell Energy Inc. was the best performer, surging 19%, followed by Solaris Energy Infrastructure Inc., which jumped 16%. NuScale Power Corp. shares surged 15%, AXT Inc. surged 13%, and shares of ERock Inc. surged 11%.

Major stock indexes in the U.S. declined Tuesday with the Nasdaq Composite Index declining 0.3%. Meanwhile, the S&P 500 Index dropped 0.6%, and the Dow Jones Industrial Average dropped 1.2%.

Data source: Dow Jones Market Data, FactSet