Benzinga’s weekly Stock Wars matches up two leaders in a major industry sector with the goal of determining which company is the better investment. This week, the duel is between two popular restaurant chains: Denny’s Corp. and Shake Shack Inc. The Case for Denny’s This company traces its roots back to a coffee shop called Danny’s Donuts that opened in 1953 in Lakewood, California. The business grew into a six-store chain within three years when it changed its name to Danny’s Coffee Shops and started operating as a 24-hour business. Danny’s Coffee Shops became Denny’s Coffee Shops in 1959 to avoid confusion with another California chain, Coffee Dan’s. The business renamed itself again in 1961 as Denny’s. Today, the Spartanburg, South Carolina-headquartered Denny’s has 1,640 franchised, licensed, and company restaurants across the U.S. (including Puerto Rico and Guam) and is in 11 countries. It has been publicly traded since November …