Dean Foods shares slid further Tuesday, slumping to 11-year lows, after equity analysts slashed their stock-price targets on the No. 1 U.S. milk producer. Dean shares dropped 7% to $9.73. The current average price target of analysts is now $11.50, down from $18.50, according to FactSet. The stock plunged 28% Monday when Dean suspended its 2010 outlook and said it faces a price squeeze from private-label milks at grocery stores. For the full story click here.