The NASDAQ-100 is widely followed as a measure mainly of the big tech and social media stocks that make up the index.

Nasdaq Data Link is a marketplace for financial, economic and alternative data delivered in modern formats for today's analysts, including Python, Excel.

Follow all the latest U.S. market action for Tuesday here as investors get ready for testimony from Fed Chair Jerome Powell, ...

The Dow was on pace for a 0.4% weekly gain, while the S&P 500 was up 0.5% so far and the Nasdaq Composite was 0.7% higher ...