Kovack Advisors Inc. raised its holdings in shares of Chevron Co. (NYSE:CVX – Free Report) by 5.6% in the fourth quarter, HoldingsChannel reports. The institutional investor owned 44,741 shares of the oil and gas company’s stock after purchasing an additional 2,384 shares during the quarter. Chevron accounts for about 0.8% of Kovack Advisors Inc.’s portfolio, […]