Astera Labs (ALAB) Stock Jumps 11% on S&P 500 Inclusion Speculation

TLDR

• Astera Labs stock jumped around 11% on Friday, driven by bets it could be added to the S&P 500 at the September 21 rebalancing.
• Bloom Energy also rose 7% on similar S&P 500 inclusion speculation.
• ALAB reported Q2 2026 revenue of $392.4 million, up 104% year-over-year, with EPS of $0.80 beating the $0.69 estimate.
• Q3 revenue guidance of $540 million to $560 million implies roughly 40% sequential growth.
• Multiple analysts raised price targets, including Citi at $430, Roth Capital at $450, and Northland upgrading to Outperform with a $350 target.

Astera Labs (ALAB) stock jumped roughly 11% on Friday, trading around $282 before the surge, as investors placed bets on a potential S&P 500 inclusion later this month.

Astera Labs, Inc. Common Stock, ALAB

The S&P 500 quarterly rebalancing is set for September 21. Any changes are expected to be announced after the market closes this Friday. Traders have been positioning ahead of that announcement, sending ALAB higher.

Bloom Energy (BE) also caught a bid, rising about 7% on the same S&P 500 speculation. Bloom Energy has a market cap of over $63 billion, making it a strong candidate based on size alone.

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