On May 27, Astera Labs fell 3.36% in regular trading, trading at $315.76/share, with trading volume of approximately $384 million. The stock retreated after reversing earlier pre-market gains, as selling pressure resumed following a recent analyst downgrade.

On the news front, Northland Capital Markets downgraded Astera Labs from Outperform to Market Perform, citing elevated valuation and growing concerns that hyperscale cloud providers may reduce AI infrastructure capital expenditures in 2027. The stock currently trades at approximately 72 times forward earnings, a level that analysts have flagged as a key risk factor despite robust near-term fundamentals.

The decline comes after a multi-week rally driven by strong Q1 results — revenue of $308.4 million representing 93% year-over-year growth — and aggressive Q2 guidance of $355-365 million that exceeded Wall Street expectations by at least 16%. While RBC maintained its Outperform rating, the conflicting analyst signals and stretched valuation appear to be triggering profit-taking following the stock's sharp post-earnings advance.

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