Fidelity platform upgrade to offer customizable tools for self-directed individuals Retail investors a key market for brokerages Individual investors make up growing share of trading, analysts ...

While Fidelity and E*TRADE are similar, one is better for active traders and the other is better for trading on the international market. Compare them here.

Implied volatility shows how much movement the market is expecting in the future. Options with high levels of implied volatility suggest that investors in the underlying stocks are expecting a big ...