Shares of Midwestern pizza and convenience store chain Casey's General Stores (CASY 1.19%) were 13% higher this week as of 12:30 p.m. ET Thursday, according to data provided by S&P Global Market Intelligence.Reporting fourth-quarter earnings, Casey's delivered earnings before interest, taxes, depreciation, and amortization (EBITDA) and earnings per share growth of 20% and 12%, surpassing analysts' expectations.This booming profitability, paired with management's announcement of a 14% dividend increase, sent ...