Exxon Mobil Corp ( XOM.N ) on Wednesday outlined an ambitious capital spending plan it said would more than double annual earnings by 2025, hoping to allay investor fears that the world’s largest publicly traded oil producer has seen its best days. FILE PHOTO: Despite the ambitious plan to woo Wall Street, Exxon shares slid 3.1 percent to their lowest level in more than two years. Once the industry’s profit and cash-flow leader, Exxon now lags rivals. Sagging profits and a declining share price have pushed total return, share appreciation plus dividends, into negative territory over the last five years, according to Thomson Reuters data. By comparison, total returns are up 16 […]