Shares of Patterson-UTI Energy, Inc. (NASDAQ:PTEN – Get Rating) traded up 8.7% during mid-day trading on Friday . The company traded as high as $11.17 and last traded at $11.16. 2,300,705 shares traded hands during trading, a decline of 31% from the average session volume of 3,342,299 shares. The stock had previously closed at $10.27. […]