Bloom Energy Stock Has Surged 150% in 2026. Is It Still a Buy?

Bloom Energy has rebounded sharply in August after a brutal July decline, with shares up 150% year-to-date. The fuel-cell provider's 'time-to-power' advantage is driving explosive sales growth from AI data centers, with Q2 revenue crossing $1 billion for the first time and 2026 guidance of $3.9-4.2 billion. However, the stock trades at a lofty 81x forward earnings, and manufacturing constraints may limit growth. The author maintains a bullish long-term outlook despite near-term volatility risks.