Shares of Editas Medicine (NASDAQ: EDIT) were jumping 7% as of 11:53 a.m. EDT on Monday after rising as much as 20.2% earlier in the day. The gain came after another CRISPR-focused biotech, Intellia Therapeutics (NASDAQ: NTLA), announced encouraging interim data over the weekend from a phase 1 study of NTLA-2001 in treating rare genetic disease transthyretin (TTR) amyloidosis.