The Biggest Loser: Endo International Tumbles 4.9%

Endo International ( ENDP ) tumbled to the bottom of the S&P 50 0 today as it finished off a terrible, horrible, no-good, very bad, week. Endo International dropped 4.9% to $13.19 today, while the S&P 500 advanced 0.2% to 2,274.64. Endo's troubles really began on Wednesday, when Donald Trump said pharmaceutical companies have been "getting away with murder." That caused Endo to tumbled 8.6% , making it the S&P 500's worst performing stock. Yesterday, it dropped 1%, and it followed that up with another loss today. Wellington Shields' Frank Gretz offers his thoughts on the turmoil in pharmaceuticals: