Below is a three month price history chart comparing the stock performance of PTR, versus LINE and DO.

FORBES: PTR Crosses Above Key Moving Average Level

Below is a three month price history chart comparing the stock performance of PETD, versus PTR and CVE.

FORBES: Shares of PETD Now Overbought

Below is a three month price history chart comparing the stock performance of ORIG, versus PTR and CVE.

FORBES: Shares of ORIG Now Oversold

Below is a three month price history chart comparing the stock performance of MMR, versus HES and PTR.

FORBES: McMoRan Exploration Breaks Below 200-Day Moving Average

Below is a three month price history chart comparing the stock performance of BPT, versus EOG and PTR.

FORBES: BP Prudhoe Bay Royalty Trust Stock Getting Very Oversold

Below is a three month price history chart comparing the stock performance of PBT, versus EOG and PTR.

FORBES: Permian Basin Royalty Trust Stock Getting Very Oversold

According to the ETF Finder at ETF Channel, PTR makes up 3.45% of the Golden Dragon China Portfolio ETF ( AMEX: PGJ )which is trading higher by about 0.6% on the day Monday.

FORBES: Connect

According to the ETF Finder at ETF Channel, PTR makes up 7.24% of the First Trust ISE Chindia Index Fund ETF ( AMEX: FNI )which is trading lower by about 1.8% on the day Monday.

FORBES: Shares of PTR Now Oversold

According to the ETF Finder at ETF Channel, PTR makes up 7.83% of the First Trust ISE Chindia Index Fund ETF ( AMEX: FNI) which is trading lower by about 0.3% on the day Thursday.

FORBES: PTR Crosses Above Key Moving Average Level