Belvedere Trading LLC trimmed its holdings in shares of Rockley Photonics Holdings Ltd (NYSE:RKLY – Get Rating) by 57.6% during the fourth quarter, Holdings Channel.com reports. The institutional investor owned 32,788 shares of the company’s stock after selling 44,629 shares during the quarter. Belvedere Trading LLC’s holdings in Rockley Photonics were worth $101,000 at the […]