Bloom Energy is trading 4.49% up in pre-market at $282.14 after releasing an 800V DC-native power report on September 16, 2026. - The company says its fuel-cell architecture could save $5.5 billion (9%) in five-year costs for a 1-gigawatt AI data center and cut non-compute capital expenditures by $3.6 billion. - The move follows its 4.11% gain on September 16 and extends recent volatility. - Improving AI infrastructure economics likely drive renewed interest; firmer broader pre-market conditions support risk appetite.