(Reuters) - Users of Fidelity's trading platforms encountered a series of glitches that stopped them from logging on to their accounts, just as U.S. stock markets opened for trading on Monday morning.

Finicity, a leading provider of real-time financial data aggregation and insights, has agreed to use an application programming interface (API)-based method for sharing Fidelity Investments customer ...

Customers said they couldn’t access their accounts as equities rallied Monday morning on news of an improvement in U.S.-China trade relations. Fidelity’s website was experiencing technical problems, ...