Perrigo PLC shares /zigman2/quotes/201110862/composite PRGO +1.11% slid 4% in premarket trade Wednesday, after the personal self-care product maker swung to a loss for the first quarter and fell short of estimates. The Dublin-based Perrigo posted a net loss of $2.4 million, or 2 cents a share, after income of $38.1 million, or 28 cents a share, in the year-earlier period. Adjusted per-share earnings came to 33 cents, below the 42 cent FactSet consensus. Sales rose to $1.075 billion from $1.010 billion a year ago, inching ahead of the $1.057 billion FactSet consensus. The company completed the acquisition of Héra SAS after the quarter end, adding consumer brands Compeed, ellaOne and Mederma along with a rate disease portfolio. It raised its full-year guidance to reflect that deal and now expects sales to grow 8.5% to 9.5% versus prior guidance of 3.5% to 4.5%. It expects adjusted EPS to range from $2.30 to $2.40, up from prior guidance of $2.10 to $2.30. Shares have fallen 17% in the year to date, while the S&P 500 /zigman2/quotes/210599714/realtime SPX +1.06% has fallen 16%.