Astera Labs stock price jumps 4% — tariffs and earnings set up the next test
New York, January 18, 2026, 19:13 EST — Market closed. Astera Labs, Inc. shares ended Friday up 4.3%, closing at $182 as the U.S. market headed into a holiday. The Nasdaq stock fluctuated between $177.67 and $187.98, with trading volume around 5.4 million shares.