Investors are losing their appetite for restaurant reservation service OpenTable (OPEN -1.6%),...

|By:, SA News Editor

Investors are losing their appetite for restaurant reservation service OpenTable (OPEN -1.6%), whose shares have shed 67% since April amid a continued slow economy and competition from newer, cheaper services. Yet shares are still “lofty” considering that OPEN hasn’t yet proved it has a plan to maintain its market leadership, a Morgan Keegan analyst says.