XLAB ▲ +1.4% - Exascale Labs Holdings Inc. $XLAB - Exascale Labs Announces Post-Closing Board of Directors Featuring Nobel Laureate David Card Exascale Labs announced that Nobel Laureate David Card has joined its post-closing board of directors, contributing to a 1.4% gain in the stock today. The addition of a high-profile economist to the board may signal enhanced credibility and strategic direction for the company following a recent transaction. 21-SEP-2026 08:30 AM ET