Technology has ushered in a new era in the investing world, including the ability to trade stocks from home and in real time. But what is the best online brokerage for stock trading in 2019? This can depend on the type of investor you are, the features you look for and how much you're willing to pay for top notch trading technology. Bankrate pored over all the features the major stock trading sites offer to help you find the best online stock trading platform for your needs. Here are our 2019 picks based on investing style and major benefits.