Capital Advantage Inc. boosted its stake in shares of ProShares Investment Grade Interest Rate Hedged (BATS:IGHG – Get Rating) by 48.8% during the 4th quarter, Holdings Channel.com reports. The firm owned 1,010,950 shares of the company’s stock after purchasing an additional 331,703 shares during the quarter. ProShares Investment Grade Interest Rate Hedged comprises approximately 16.1% […]