Prospera Financial Services Inc lowered its position in Black Stone Minerals, L.P. (NYSE:BSM – Free Report) by 1.6% in the second quarter, HoldingsChannel reports. The firm owned 130,647 shares of the oil and gas producer’s stock after selling 2,130 shares during the period. Prospera Financial Services Inc’s holdings in Black Stone Minerals were worth $2,084,000 […]