This article was automatically generated using Dow Jones technology.
Shares of small-cap companies increased Tuesday, as the Russell 2000 Index gained 3.4%, and the S&P Small Cap 600 Index was up 2.8%.
Among companies with a market value of $1 billion to $6.7 billion, Apellis Pharmaceuticals Inc. was the best performer during the session, surging 135%, followed by Firefly Aerospace Inc., which jumped 21%. Precigen Inc. shares surged 19%, Alkermes PLC jumped 17%, and shares of BigBear.ai Holdings Inc. surged 16%.
T1 Energy Inc. was the biggest laggard, dropping 22%, followed by shares of Progress Software Corp., which dropped 9.3%. Shares of CVR Partners LP dropped 8.5%, Peabody Energy Corp. shares plunged 7.7%, and Sable Offshore Corp. Cl A tumbled 7.4%.
Major stock indexes in the U.S. rose Tuesday as the Nasdaq Composite Index increased 3.8%. Meanwhile, the S&P 500 Index gained 2.9%, and the Dow Jones Industrial Average increased 2.5%.
Data source: Dow Jones Market Data, FactSet
(END) Dow Jones Newswires
March 31, 2026 16:21 ET (20:21 GMT)
Copyright (c) 2026 Dow Jones & Company, Inc.

