Why PayPal Shares Plunged 13% This Week

Shares of leading digital payment platform PayPal (PYPL -1.00%) sank 13% this week as of 1:30 p.m. ET Friday, according to data provided by S&P Global Market Intelligence.PayPal reported its fourth-quarter earnings on Tuesday and snuck past analysts' expectations after growing sales and adjusted earnings per share by 4% and 5%.However, while total payment volume (TPV) rose 7%, the company's once-fast-growing unbranded unit (where it's a payment service provider) only grew 2%, spurring a drop from the market ...