Gold and silver prices dipped Friday as the dollar strengthened against global currencies on safe-haven buying that followed disappointing U.S. consumer sentiment and purchasing managers data. An economist warns a recession could lead to a meltdown in precious metals despite all the bullishness from global stimulus programs. Spot gold prices shed 0.23% to $1774 an ounce intraday. During the quarter, it reached its highest price of 2012 and came