CRISPR Therapeutics AG (NASDAQ:CRSP – Get Free Report) shares dropped 0.2% during mid-day trading on Friday after Citigroup lowered their price target on the stock from $89.00 to $84.00. Citigroup currently has a buy rating on the stock. CRISPR Therapeutics traded as low as $55.21 and last traded at $55.61. Approximately 176,023 shares traded hands […]