There is no Purdue Pharma stock symbol since Purdue is a privately held company. Stock symbols only exist for publicly traded companies that sell stocks in the open markets.
The ticker symbol for King Pharmaceuticals is KG and it is traded on the New York Stock Exchange.
The ticker symbol for Barr Pharmaceuticals is BRL and it is traded on the New York Stock Exchange.
The ticker symbol for Watson Pharmaceuticals is WPI and it is traded on the New York Stock Exchange.
HSP is the ticker symbol for Hospira. Hospira is a publicly traded company selling pharmaceuticals. There stock is traded on the New York Stock Exchange.
Some manufacturers of Oxycodone HCL 80mg ER include Purdue Pharma, Mallinckrodt Pharmaceuticals, and Rhodes Pharmaceuticals.
The symbol for OncoGenex Pharmaceuticals Inc. in NASDAQ is: OGXI.
The symbol for Oramed Pharmaceuticals Inc. in NASDAQ is: ORMP.
The symbol for Peregrine Pharmaceuticals Inc. in NASDAQ is: PPHM.
The symbol for Progenics Pharmaceuticals Inc. in NASDAQ is: PGNX.
The symbol for RXI Pharmaceuticals Corporation in NASDAQ is: RXII.
The symbol for Synta Pharmaceuticals Corp. in NASDAQ is: SNTA.
The symbol for Tekmira Pharmaceuticals Corp in NASDAQ is: TKMR.