MINYANVILLE ORIGINAL Retail earnings continued to impress with Staples (SPLS) and Dick’s Sporting Goods (DKS) — two-thirds of the most unwittingly funny billboard in America — particularly prominent. The former gained 1.44% and is up another 4.89% before the bell while the latter rose 4.66% after exceeding earnings expectations. Semiconductor stock Advanced Micro Devices (AMD) climbed 5.03% and chips of another sort proved profitable for Diamond Foods (DMND) with the maker of Kettle snacks surging 14.45%. (Another type of diamonds of another didn’t do too badly either.)   Meanwhile Microsoft (MSFT) plunged 3.22% making it the single worst Dow (^DJI) stock for a second straight day. The ...