THE WOODLANDS, Texas--(BUSINESS WIRE)--Pernix Therapeutics Holdings, Inc. (“Pernix”) (NYSE Amex: PTX), a specialty pharmaceutical company primarily focused on the pediatric market, today announced that it has been added to the Russell 2000® Index, the Russell 3000® Index and the Russell Global® Index, which was effective on June 27, 2011 after the close of the U.S. markets. Pernix has also maintained its membership in the Russell Microcap® Index.
