Archrock Inc. (AROC) shares ended the last trading session 11.2% higher at $22.84. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 3.1% loss over the past four weeks.The surge can be attributed to the increased demand for Archrock’s natural gas compression services, which play an essential role in natural gas transportation. Natural gas prices have recently rebounded after hitting multi-year lows at the start of 20 ...