Trade Is basically the exchange of good and services in exchange of money or any particular commodity. But online earning is primarily based upon the e-money (electric money).

TD Ameritrade

When it comes on trading I dont think anyone would not know about TD Ameritrade. They had been providing the beginners with information, helps them learning and the best thing is that you can trade with as less as $0, this is what made them the top trading site in 2020.

Fidelity

Fidelity is also one of the leading site for trading. They have the best mobile phone app that enable people to trade easily anywhere or anytime. The initial investment you could brought into trade is $0 which enable people understanding the traits of trading.

Charles Schwab

Charles schwab was founded in 1973, with a asses of around 3 trillion US dollars, they also offer $0 for investment. And they also had been providing with the market research tool that helps their users understanding the trait of trade

https://www.stockbrokers.com/guides/online-stock-brokers