Astera Labs, Inc. is trading at $384.90 (4.7% up) following the announcement that it will join the Nasdaq-100 Index before the market open on June 22, 2026.
- The inclusion is part of the index’s quarterly rebalancing, which typically drives significant demand from index-tracking funds.
- Shares initially jumped approximately 5% in after-hours trading on June 11, 2026, with momentum continuing into the current session as investors position ahead of the official addition.
- The move reflects the company's growing market capitalization and its increasing significance within the technology sector.