CNBC/Heidi Gutman/CNBCDavid Einhorn pointed out high stock-market valuations at CNBC's Delivering Alpha conference.Einhorn said he's not bearish, but there will likely be better entry points into the market.He also said he's betting on Peloton and CNH Industrials through his hedge fund.Add David Einhorn to the list of top Wall Streeters pointing out how expensive the stock market is.At CNBC's Delivering Alpha conference last week, the billionaire founder of the hedge fund Greenlight Capital said it's probably not the best time to buy into the broader market.