Private Advisor Group LLC reduced its position in AbbVie Inc. (NYSE:ABBV – Free Report) by 6.3% during the 1st quarter, Holdings Channel.com reports. The firm owned 266,246 shares of the company’s stock after selling 17,848 shares during the period. Private Advisor Group LLC’s holdings in AbbVie were worth $57,906,000 as of its most recent SEC […]