PPH May Be Home To Hedge Fund Hotels, But This ETF Can Endure By: Benzinga via Benzinga April 06, 2016 at 14:26 PM EDT The healthcare sector, the third-largest sector weight in the S&P 500, is the worst-performing group in the benchmark U.S. index ... Read More >> Related Stocks: Allergan Plc Astrazeneca Plc ADR Johnson & Johnson Mallinckrodt plc Merck & Co Pfizer Valeant Pharmaceuticals International, Inc.