This article was automatically generated using Dow Jones technology.

Shares of small-cap companies added Tuesday, as the Russell 2000 Index gained 0.5%, and the S&P Small Cap 600 Index was up 0.3%.

Among companies with a market value of $1 billion to $6.7 billion, Viking Therapeutics Inc. was the best performer during the session, surging 36%, followed by Maze Therapeutics Inc., which surged 27%. Butterfly Network Inc. shares surged 22%, Surgery Partners Inc. jumped 16%, and shares of Innodata Inc. surged 15%.

Xanadu Quantum Technologies Ltd. was the biggest laggard, dropping 22%, followed by shares of Celldex Therapeutics Inc., which dropped 12%. Shares of Goosehead Insurance Inc. Cl A dropped 11%, Xtend AI Robotics Inc. shares tumbled 11%, and Atlas Energy Solutions Inc. tumbled 9.6%.

Major U.S. stock indexes closed mixed Tuesday as the Nasdaq Composite Index increased 0.5%. Meanwhile, the S&P 500 Index was flat, and the Dow Jones Industrial Average dropped 0.4%.

Data source: Dow Jones Market Data, FactSet