WITH BOTTLE PRICES ON many wines dropping, grape prices inevitably will follow—and eventually property values should follow. That could affect vineyard owners—if they need to sell, if they have loan covenants related to value or if they need to refinance. Still, most bankers don’t seem to think there will be widespread sales. “In general, our grower clients are doing okay,” says Charles Day, regional manager, North Coast Wine Country Region, Rabobank. “Most s...