Financial markets today open up broad opportunities for those who want to trade online. To achieve success and avoid unnecessary risks, it is important to prepare carefully and practice your skills.

CNBC Select reviewed investing apps that cover a range of users' investment styles, from micro-investing to active stock trading.

The best online trading platforms for day trading offer low costs, fast execution and free quality research. Fidelity, Interactive Brokers, Schwab, Webull and Firstrade make our list.

AI hype has propelled the Magnificent Seven stocks to the pinnacle of the stock market, but have their valuations become ...