Why Hannon Armstrong Stock Rocketed 17% at the Open Today

What happenedShares of real estate investment trust (REIT) Hannon Armstrong (NYSE: HASI) rose as much as 17% in the first half-hour of trading on Friday. That said, the stock pulled back to a still-notable gain of roughly 12% by 10 a.m. EST. The big story was the earnings report,Read MoreMarketsMarkets Feed