 Conning Inc. cut its holdings in AbbVie Inc NYSE:ABBV by 1.2 in the 1st quarter, HoldingsChannel.com reports. The firm owned 22,903 shares of the companys stock after selling 274 shares during the period. Conning Inc.s holdings in AbbVie were worth 1,745,000 at the end of the most recent quarter. Other institutional investors have also bought ... 