 Duncker Streett Co. Inc. reduced its holdings in Allergan plc NYSE:AGN by 62.0 in the 1st quarter, HoldingsChannel.com reports. The firm owned 1,270 shares of the companys stock after selling 2,072 shares during the quarter. Duncker Streett Co. Inc.s holdings in Allergan were worth 225,000 at the end of the most recent quarter. ... 