PayPal is making strides in a transition year and recently expanded its partnership with a fast-growing e-commerce company.PayPal (PYPL -4.36%) has taken investors on a bit of a roller coaster ride since it was spun off from eBay and went public in 2015. The stock was a big winner as consumer preferences shifted to digital payments, and the business surged during the pandemic when digital payment adoption accelerated. The past few years have been more difficult for PayPal, and the stock now trades about 77% ...