Some Fidelity Investments customers experienced login issues Monday morning as the market rallied. More than 3,000 user complaints were reported around 10 a.m., according to Downdetector, a website ...

(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.

Fidelity Investments is rolling out a major upgrade to its trading platform on Thursday to meet the rapidly growing demand ...