NEW YORK, May 30, 2026, 12:02 EDT Atomera Inc. shares sank 10.7% Friday to finish at $9.98, erasing some gains after a volatile week. The stock ended the shortened week up about 8% from last Friday. Over the four sessions, Atomera jumped 31.1% Tuesday, slipped Wednesday, edged higher Thursday, and then gave back ground Friday. (StockAnalysis) Why Atomera’s stock is in focus now: trading was anything but normal this week. U.S. markets were closed Monday, May 25, for Memorial Day, according to Nasdaq’s holiday schedule. The next regular session after Friday’s drop lands Monday, June 1. (Nasdaq) Atomera moved sharply