The U.S. restaurant industry grew at a solid pace over the past two years, amid price pressures and higher wages and food costs. The growth has somewhat slowed this year but the industry has still made a solid effort to hold its ground.Restaurant sales have climbed over the past few months, benefiting a large number of restaurant brands such as El Pollo Loco Holdings, Inc. (LOCO) ,Meritage Hospitality Group Inc. (MHGU) , Potbelly Corporation (PBPB) , Texas Roadhouse, Inc. (TXRH) and Wingstop (WING) , which ...