GE, Facebook, and Tesla are among today's top stock picks for investors: Pro Market Movers Oct. 20

Jim Cramer, Tudor Investment's Paul Tudor Jones, BTIG's Mark Palmer, Baird's Ben Kallo, Greenlight Capital's David Einhorn, Hightower's Stephanie Link, Trian Partners' Nelson Peltz, and Matrix Asset Advisors' David Katz explain why they are buying, selling, or holding specific stocks and ETFs