Plug Power (PLUG +4.03%) — a popular hydrogen fuel stock — popped after announcing second-quarter earnings on Aug. 10. “Plug Power … reported that gross margin neared breakeven territory, marking a hefty improvement from a year ago and the first quarter,” observes Barron’s. Expand NASDAQ : PLUG Plug Power Today's Change ( 4.03 %) $ 0.09 Current Price $ 2.20 Key Data Points Market Cap $2.9B Market cap calculated using publicly traded shares outstanding only. Day's Range $ 2.16 - $ 2.54 52wk Range $ 1.41 - $ 4.58 Volume 97.3M Avg Vol 65.8M Gross Margin -2565.51%This is the biggest problem with Plug Power stockThe last few quarters have been impressive for Plug Power. Wall Street still expects Plug Power to remain unprofitability in both 2026 and 2027.