None of the three big indexes marked a feat worth hailing on Friday: the S&P 500 closed flat, the Dow Jones Industrial Average finished slightly lower, and the Nasdaq Composite ticked a smidge higher.

Although most stocks made forward progress in January, a few of them bucked the bigger trend for understandable reasons.

On January 31, 1985, Nasdaq launched the Nasdaq-100 Index® (NDX®) a new, technology, and innovation-focused index tracking 100 of the largest non-financial companies listed on the Nasdaq Stock ...

The Invesco QQQ Trust ( QQQ 0.13%) tracks the Nasdaq-100, and it's a popular exchange-traded fund (ETF) for many ...

The Nasdaq-100 should not be confused with the Nasdaq Composite® Index. The Nasdaq Composite Index represents every company ...

The Invesco Nasdaq 100 ETF tracks the Nasdaq-100 Index, which consists of the 100 largest non-financial companies traded on the Nasdaq stock exchange. The Nasdaq tends to draw more growth-oriented ...

In early trading on Wednesday, shares of Gilead Sciences topped the list of the day's best performing components of the Nasdaq 100 index, trading up 8.0%. Year to date, Gilead Sciences registers a ...

TradeTalks broadcasts covering the Nasdaq-100 Index (NDX) featuring conversations with top industry thought leaders on the latest trends, news and education. Mark Marex, Senior Director of Index ...

But that wasn't the case for all of them. While the Nasdaq-100 index advanced 2.2% in January, a handful of its constituents (including a market favorite) lost quite a bit of ground. Here they are ...