An improving economy means Americans are dining out more Chanticleer HoldingsAnalyst Howard Halpern rates Chanticleer Holdings, which operates 13 Hooters franchises, a ‘speculative buy.’Here are the 10 restaurant operators with the fastest year-over-year growth of quarterly sales per share:CompanyTickerSales per share - most recent reported quarterSales per share - year earlierGrowth of sales per shareChanticleer Holdings Inc.HOTR,+0.44%$1.45$0.43235%Habit Restaurants Inc.HABT,-6.26%$1.86$1.1957%Frisch’s Restaurants Inc.FRS,+0.98%$12.22$9.6427%Chipotle Mexican GrillCMG,+0.61%$33.92$26.8626%Diversified Restaurant Holdings Inc.BAGR,-1.96%$1.26$1.0125%Chuy’s Holdings Inc.CHUY,+0.05%$3.70$3.0322%Nathan’s Famous Inc.NATH,-0.33%$4.85$4.0021%Popeyes Louisiana Kitchen Inc.PLKI,-0.61%$2.42$2.0220%Red Robin Gourmet Burgers Inc,RRGB,-1.31%$19.85$16.5620%Noodles & Co. Class ANDLS,-2.56%$3.51$2.9419%Sources: Nasdaq and FactSet http://www.marketwatch.com/story/these-restaurant-stocks-may...