 Perrigo Co. Plc shares PRGO, 1.24 slid 6 in premarket trade Wednesday, after the Dublin, Ireland-based consumer self-care company swung to a loss for the second quarter and lagged consensus estimates. The company swung to a loss of 112 million, or 84 cents a share, in the quarter, after income of 12 million, or 9 cents a share, in the year-earlier period. 