Greylin Investment Management Inc lowered its position in shares of ConocoPhillips (NYSE:COP – Free Report) by 1.3% in the 1st quarter, Holdings Channel.com reports. The fund owned 81,865 shares of the energy producer’s stock after selling 1,090 shares during the quarter. ConocoPhillips comprises approximately 1.7% of Greylin Investment Management Inc’s investment portfolio, making the stock […]