The company reported better-than-expected earnings for the second quarter.PayPal (PYPL -0.71%) stock zoomed higher this week, according to data from S&P Global Market Intelligence. After a rough few years, the financial technology (fintech) giant has stabilized its active users and continues to grow payment volume, revenue, and profits. It reported second-quarter earnings that beat Wall Street expectations, and shares are up 12% since last Friday as of the close on Thursday, Aug. 1.Here's why PayPal stock s ...