Visa Inc. (V) shares continued to decline following the Department of Justice (DOJ) filing an antitrust lawsuit. The quivers began after Bloomberg and The New York Times first hinted that a DOJ action was forthcoming. On Tuesday, the DOJ formally accused Visa of illegally dominating the debit card market. The stock, which had closed at $288.63 on Monday, dropped 6.6% to $269.63 by Wednesday, pushing it 8% below its 52-week high of $293.07.Despite the recent slump, the dip could present a solid entry point f ...