 BlackRock Inc. cut its position in shares of Zynex Inc. OTCMKTS:ZYXI by 1.5 during the 1st quarter, according to its most recent disclosure with the Securities and Exchange Commission SEC. The fund owned 805,206 shares of the companys stock after selling 12,328 shares during the quarter. BlackRock Inc. owned 2.43 of Zynex worth 8,915,000 at ... 