The stock market ... and the Zacks Rank Trading Tool. As of July 19, the largest sector is information technology, which makes up nearly a third (31.9%) of the S&P 500 by market cap.

Options trading ... Options 101, presented by tastytrade. We'll debunk the myths, decode the secrets, and help all investors harness the power of options. On Yahoo Finance's Market Minute, US ...

Regular trading hours for the U.S. stock market, which includes the Nasdaq Stock Market (Nasdaq) and the New York Stock Exchange (NYSE), are 9:30 am to 4 pm, except on stock market holidays ...