Exxon Mobil (XOM) has returned to the Green Favored Zone of the SIA S&P 100 Index Report for the first time in 12 years! It left the green zone in March of 2009 and spent over a decade stuck in the red zone until finally seeing its relative strength improve in a meaningful way earlier this year. Yesterday XOM it finished in 22nd place, up 7 spots on the day and up 37 spots over the last month.