P.F. Chang’s

Fewer diners are walking through the doors of P.F. Chang’s China Bistro Inc.’s restaurants. The stock fell 12 percent - its biggest decline since the Scottsdale, Ariz., company’s 1998 initial public offering. P.F. Chang’s forecast full-year earnings of $1.70 per share, at most, trailing the average analyst estimate of $2.09 in a Bloomberg survey. Second-quarter net income was down 29 percent, the restaurateur said, to $9.1 million, or 40 cents per share.