Bets in the stock market can lead to interesting developments. Noted hedge fund manager David Einhorn has announced he is returning his leased Tesla Model S car. The billionaire president of Greenlight Capital LLC informed his clients through a letter that he was happy the lease on his Tesla had ended, citing "worsening problems with its touch screen and power windows,” according to a Bloomberg report. (See also: Who is David Einhorn, Greenlight's Founder?.) Greenlight Capital's fund has lost more than 18% during the first half of 2018, according to Reuters.