Hedge-fund founder David Einhorn is betting on U.S. stocks to keep falling as inflation proves more stubborn than many expect, according to comments he made during a Wednesday interview with CNBC’s “Halftime Report.” “I think we should be bearish on stocks and bullish on inflation,” Einhorn said. “I think we’re in a policy now, which is probably pretty good for Main Street, but it’s going to be difficult, and increasingly difficult for financial assets.” He…