FILE PHOTO: David Einhorn, President of Greenlight Capital, Inc., presents during the 2018 Sohn Investment Conference in New York City, U.S., April 23, 2018. REUTERS/Brendan McDermid/File Photo

(Reuters) – David Einhorn, president of Greenlight Capital, at the Sohn Investment Conference on Monday said his firm is positive on airplane leasing company AerCap Holdings and negative on railcar leasing company GATX Corp.

Einhorn said GATX has “trouble returning to pre-crisis usage levels,” while AerCorp shares are trading at half the book value and less than half the price-to-earnings of GATX’s shares.

Speaking favorably of both industries, he said the airline sector has some advantages over rail that make AerCap the better choice over GATX, whose shares he believes are overvalued. “Neither has consumer-facing businesses, and both have