ProPetro Holding (PUMP) shares were up nearly 4% in recent Monday trading after Piper Sandler upgraded the company's stock to overweight from neutral and raised its price target to $16 from $6.
Trading volume stood at nearly 3 million shares compared with a daily average of about 3.2 million.
Price: 10.80, Change: +0.41, Percent Change: +4.00