https://www.reuters.com/article/us-uber-ipo-paypal/paypal-to-invest-500-million-in-uber-refinitiv-ifr-idUSKCN1S20BB >Online payments company PayPal Holdings Inc plans to invest $500 million in Uber Technologies Inc as the ride-hailing firm readies to unveil terms for its initial public offering on Friday, Refinitiv IFR reported.