 Citigroup Inc. lessened its stake in SPDR SP Pharmaceuticals ETF NYSEARCA:XPH by 7.8 during the 1st quarter, according to the company in its most recent filing with the Securities and Exchange Commission. The institutional investor owned 19,371 shares of the companys stock after selling 1,640 shares during the period. Citigroup Inc. owned about 0.37 of ... 