Bloom Energy Shares Drop Amid AI Infrastructure Sell-Off Ahead of S&P 500 Inclusion

Bloom Energy (BE) fell nearly 8% on Monday, reversing a year-to-date gain of over 192%, as concerns about slowing AI development weighed heavily. The decline occurred just days before the company's scheduled addition to the S&P 500 index on September 21. FuelCell Energy and Plug Power also declined alongside Bloom Energy, though not due to direct index inclusion mechanics. The sell-off appears concentrated in companies tied to AI infrastructure rather than a broad market downturn. The SPY ETF fell only slightly while HYDR dropped more sharply, highlighting the thematic nature of Monday's decline. Anthropic CEO Dario Amodei and OpenAI’s Sam Altman recently called for slowing down frontier AI development, contributing to investor caution. Despite mandatory index buying expected before September 21, Bloom Energy trades at a high trailing P/E ratio (335x), leaving it vulnerable if the pace of AI infrastructure spending slows. The move suggests an unwinding in overbought positions rather than a fundamental shift across the entire hydrogen and fuel cell sector.

By David Moadel Mon, September 14, 2026 at 6:57 PM GMT+3 4 min read · Yahoo Finance ·

Bloom Energy Shares Drop Amid AI Infrastructure Sell-Off Ahead of S&P 500 Inclusion

Tickers: $FCEL $PLUG

Topics: AI infrastructure Bloom Energy FuelCell Energy Plug Power S&P 500 addition

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