Dow Jumps Over 300 Points; Citigroup Posts Upbeat Earnings

1. Citigroup reported Q3 earnings exceeding expectations with $22.09 billion revenue. 2. Net income for Citigroup rose to $3.75 billion, beating analyst forecasts. 3. Earnings per share jumped to $2.24, up from $1.51 last year. 4. Strong performances in Markets and Investment Banking drove Citigroup's results. 5. U.S. stocks showed mixed trading with the Dow increasing notably.