Cramer: Why you can't short Shake Shack By: CNBC.com News May 14, 2015 at 10:13 AM EDT Just because Shake Shack had a "fabulous" performance, investors should not short the stock because "people love their burgers," Jim Cramer says. Read More >> Related Stocks: Hyatt Hotels Corp Shake Shack Inc Starwood Hotels & Resorts