Shares of integrated payments company American Express (NYSE: AXP) jumped on Friday following its fourth-quarter earnings report. In total, the stock rose about 7%. Given the report's strength, it's unsurprising to see shares rising sharply. The update and earnings call for the quarter included promising metrics and upbeat commentary from management about the future.

Here are five things likely behind investors' bullishness for American Express shares.

With a bull market underway despite an uneven macroeconomic environment in which some sectors are doing well and others are showing some signs of softness, it's increasingly challenging to find resilient and highly profitable businesses still growing revenue at double-digit rates that also have attractively priced shares.

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Source Fool.com