CRISPR stocks gain

CRISPR companies added $458 million in market cap on Monday in apparent reaction to two articles published in the past two days.

CRISPR Therapeutics AG (NASDAQ:CRSP) added $5.30 (12%) to $48.34, Intellia Therapeutics Inc. (NASDAQ:NTLA) gained $2.89 (11%) to $29.01 and Editas Medicine Inc. (NASDAQ:EDIT) rose $2.03 to $37.92...