The company deals in exploration and production of oil and natural gas, coal and minerals operations, electric power generation and also manufactures and markets fuels, lubricants, and chemicals. Even after the downgrade, analysts left the $90 price target for Exxon's stock unchanged. In midday trading, Exxon Mobil shares added 27 cents to $86.79, which is its highest in 52-week range of $67.03 to $87.94.