On June 12, Astera Labs rose 6.68% in pre-market trading, trading at $385.38/share, with turnover of $2.7986 million. On the news front, Nasdaq announced its quarterly index rebalancing results, with Astera Labs among the companies newly added to the index alongside CoreWeave, NEBIUS, Rocket Lab, and Teradyne.

The index inclusion is expected to drive significant passive fund inflows as index-tracking ETFs adjust their holdings accordingly. Additionally, momentum carried over from the prior session, when the Philadelphia Semiconductor Index surged 4.39% and Astera Labs itself rallied 11.07%, supported by de-escalation in US-Iran tensions and Goldman Sachs reaffirming its bullish stance on the AI investment cycle. The company had also recently announced Taiwan business expansion and a cloud-scale interoperability lab, deepening collaboration with AMD, Arm, Intel, and NVIDIA to accelerate AI infrastructure validation. Management previously disclosed that its chips and optical solutions are integrated into nearly 90% of global AI computing clusters, with the Scorpio X series entering production ramp.

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