Disney, Bank of America, and NVIDIA are today's top stocks for investors: Pro Market Movers Dec. 21

Jim Cramer, Dan Ives of Wedbush Securities, Greg Branch of Veritas Financial Group, Karl Ackerman of Cowen and Company, Josh Brown of Ritholtz Wealth Management, Jenny Harrington of Gilman Hill Asset Management, Steve Weiss of Short Hills Capital, Jason Snipe of Odyssey Capital Advisors, and Mark Luschini of Janney Montgomery Scott explain why they are buying, selling, or holding specific stocks and ETFs