Crown Castle's (NYSE:CCI) short percent of float has risen 11.11% since its last report. The company recently reported that it has 5.26 million shares sold short, which is 1.4% of all regular shares that are available for trading.
On CNBC’s "Mad Money Lightning Round," Jim Cramer said he wants to buy Moderna, Inc. (NASDAQ: MRNA). "I know it can go lower, but I think it’s a really well-run company," he added.