 U.S. stocks are trading mostly lower this hour. The Dow Jones Industrial Average is down 77 points at 39,297. The S&P is off slightly. The Nasdaq is up 42 points. You're listening to NPR News. Checking news from the region. The state of Connecticut could raise millions of dollars by taxing mansions and other high-value houses. That's according to a report from a national tax policy think tank. WSHU's Davis Donovan has more.