PROCEPT BioRobotics (PRCT) shares were down 5.8% in afternoon trading on Thursday after Leerink Partners downgraded the company's stock to market perform from outperform and adjusted the price target to $29 from $31.
Trading volume stood at more than 1.8 million shares against a daily average of about 1.4 million.
Price: $27.42, Change: $-1.68, Percent Change: -5.76%