Abbott Laboratories...agreed to...settle an antitrust lawsuit filed by HIV/AIDS advocates and other drug companies over an increase in the price of the company's antiretroviral drug Norvir…Abbott in December 2003 quadrupled the per-patient wholesale price of Norvir… In a suit filed in October 2007, GlaxoSmithKline and several pharmacy chains -- Safeway, Walgreen, Kroger, Supervalu's New Albertson's and American Sales -- also alleged that Abbott "unlawfully extended its monopoly position as the sole provider of Norvir" by increasing the drug's price…