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

The S&P 500 ( ^GSPC) moved almost 1% lower, while the tech-heavy Nasdaq Composite ( ^IXIC) slid around 1.4%, both finishing ...

Follow all the latest U.S. market action for Tuesday as stocks stage a recovery amid lingering tariff angst; Alphabet ...

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 ...

Solid results from Apple are buoying spirits, as investors brace for PCE inflation and weigh Trump's renewed tariff threat.

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

The S&P 500's concentration and Nasdaq 100's valuation levels are reminiscent ... is expensive from a multiples perspective, the S&P 500 prices follow the growth of companies' profits.

The Nasdaq 100 drifted a little bit lower during ... just killing time between now and the jobs number on Friday. The S&P 500 is down just a touch in overnight trading. But at this point, I ...