Sheaff Brock Investment Advisors LLC reduced its holdings in shares of ConocoPhillips (NYSE:COP – Free Report) by 87.3% in the 4th quarter, according to its most recent filing with the Securities and Exchange Commission. The firm owned 8,696 shares of the energy producer’s stock after selling 59,791 shares during the quarter. Sheaff Brock Investment Advisors […]