Greenlight Capital's David Einhorn said Wednesday he has taken a medium sized position in agricultural play CNH Industrial.Speaking at CNBC's Delivering Alpha conference in New York City, the hedge fund investor said the agricultural machinery company is an under-the-radar value play as the industry nears the end of a bearish cycle. "It's exactly the kind of situation that absolutely nobody cares about right now because it's cheap, and the news over the next period of time isn't going to be very good. Agric ...