BUZZ-American Express Co: Provisions for loan losses rise
** World's largest credit card issuer's shares down 2.2 pct at $85.77 in after market trading
** Plans to cut more than 4,000 jobs over this year, takes $313 mln charge related to restructuring in Q4
** Sets aside 22 percent more money to cover bad loans in Q4
** U.S card services net income falls 23 pct, hurt by 13 pct rise in expenses due to higher rewards, marketing and operating expenses
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