$$$ Shake Shack Officially Files for $100 Million IPO [Grub Street] $$$ Russian Economy Shrank in November for First Time Since 2009 [Bloomberg] $$$ Why Greece’s Spillover Across Euro Area Will Probably Be Contained This Time [Bloomberg] $$$ Yellen plays Kris Kringle [NYP] $$$ Cat Finds His Way Home After Being Accidentally Sold With a…