NEW YORK (AP) — Credit card giant American Express posted a 16% jump in third-quarter profits on Friday, helped by increased card spending, particularly among its wealthiest card members. The company raised its full-year profit forecasts as a result. The New York-based company said it earned $2.9 billion in the quarter, up 16$2.51 billion in the same period a year earlier. On a per-share basis, the company earned $4.14, compared to$3.49 a year earlier. The results beat analysts’ expectations. Onc ...