Exxon Mobil Corp. said on Thursday said its third-quarter earnings fell 18%, as profits at its downstream segment plunged on significantly weaker refining margins, masking growth at its exploration and production business. Exxon Mobil reported net income of $7.87 billion, or $1.79 a share, down from $9.57 billion, or $2.09 a share, a year earlier. Revenue fell 2.4% to $112.37 billion. Analysts polled by Thomson Reuters […]