American Express Company (AXP), a leading integrated payments firm with a market cap of $205.7 billion, has seen its shares rise 28.8% over the past 52 weeks, outpacing the S&P 500 Index ($SPX) which gained 21.9%, according to a Yahoo Finance report. However, year-to-date, AXP has lagged behind the broader market, declining marginally versus SPX's 7.8% gain.