Comerica Bank reduced its holdings in Arconic Co. (NYSE:ARNC – Get Rating) by 12.3% during the 3rd quarter, HoldingsChannel.com reports. The institutional investor owned 83,270 shares of the basic materials company’s stock after selling 11,665 shares during the period. Comerica Bank’s holdings in Arconic were worth $1,754,000 as of its most recent filing with the […]