This article was automatically generated using Dow Jones technology.

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

Among companies with a market value of $1 billion to $6.7 billion, ERock Inc. was the best performer during the session, surging 23%, followed by SharonAI Holdings Inc., which jumped 21%. Boost Run Inc. Cl A shares surged 19%, Marex Group Ltd. jumped 19%, and shares of Astronics Corp. surged 17%.

Obsidian Therapeutics Inc. was the biggest laggard, dropping 16%, followed by shares of HighPeak Energy Inc., which dropped 13%. Shares of National Vision Holdings Inc. dropped 12%, Playtika Holding Corp. shares plunged 11%, and T1 Energy Inc. tumbled 10%.

Major stock indexes in the U.S. closed mixed Wednesday with the Nasdaq Composite Index increasing 0.5%. Meanwhile, the S&P 500 Index added 0.3%, and the Dow Jones Industrial Average was flat.

Data source: Dow Jones Market Data, FactSet