Below is a three month price history chart comparing the stock performance of TRGP, versus TDW and DRQ.

FORBES: Targa Resources Stock Getting Very Oversold

Below is a three month price history chart comparing the stock performance of TDW, versus KMP and SE.

FORBES: TDW Enters Oversold Territory

Below is a three month price history chart comparing the stock performance of EP, versus TDW and DRQ.

FORBES: Shares of EP Now Overbought

Oil service stocks of interest are HAL, BHI, SLB, NOV, RIG, CAM, NBR, WFT, RDC, DO, and TDW. Refiners of interest are VLO, TSO, WNR, HFC, and MPC.

FORBES: The Real Reason Oil Broke Through $100