Restaurants are facing a challenge they haven't seen since the recession

Joe Raedle/Getty Images Grocery prices are getting lower — and it's causing major problems in the restaurant industry. The price gap between dining out and eating at home continues to grow, with the prices for food away from home increasing 0.2% in September, while food at home declined 0.1%, according to data from the US Bureau of Labor Statistics. The reason for the gap, according to a note from Wedbush Securities Analyst Nick Setyan, can be traced to growing labor costs and falling food cos...