Shares of the kiosk giant slumped Fri. after Dougherty posted a cautious report on the Redbox DVD vending machine operator. Coinstar (CSTR) faces head winds with Redbox from a lighter-than-usual slate of major new DVD movies for the fall. Questions also remain about Coinstar's venture with Verizon (VZ) to create a subscription streaming video service-DVD rental package to compete with Netflix (NFLX), expected to debut this year. Coinstar shares fell 4.4% to 64.07.

