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 TRGP, versus CPX and DRQ.

FORBES: Shares of TRGP Now Overbought

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

FORBES: EP Stock Sees Many Buyers

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

FORBES: Shares of CLB Now Oversold

According to the ETF Finder at ETF Channel, TRGP makes up 1.60% of the Dynamic Energy Sector Portfolio ETF ( AMEX: PXI) which is trading relatively unchanged on the day Monday.

FORBES: Targa Resources Stock Getting Very Oversold