Brokerage accounts are what we as trader use as our means to exchange stocks. Somebody buys and someone sells. In order to trade one is required. It's important to know the following:
Example advertisement from my broker TD Ameritrade-
With extended hours overnight trading, you can trade select securities whenever market-moving headlines break—24 hours a day, five days a week (excluding market holidays). We've expanded our after-hours lineup to cover more international markets and sectors like tech, so you can access even more of the market around the clock.
We strive to provide consistent, quality executions for our clients’ orders.
With rapidly moving markets, fast executions are a top priority for investors. Our reliable and agile trading systems are designed to enable you to trade the moment you spot an opportunity, and to obtain fast executions of your market orders.
We believe that competition among market centers for our order flow serves to improve execution quality. We monitor order executions daily, monthly, and quarterly, and seek market centers that will provide quality executions for our clients on a consistently reliable basis.
We work to maintain good relationships and communication with our market centers, and maintain an active dialogue with industry stakeholders, keeping in mind the interests of the retail investor.