CNBC's Oliver Renick reports on the latest action in options markets.

SPX momentum weakens as sellers pressure key support, with technical signals favoring downside toward 7,480 unless bulls quickly reclaim resistance.

Reddit (RDDT) is up 3.8% today. Here is some analysis on what might have caused this price movement.

The best index funds allow you to earn attractive returns with little work on key stock indexes such as the S&P 500, the Nasdaq, and the Dow Jones Industrial Average.

While the S&P 500 (^GSPC) includes industry leaders, not every stock in the index is a winner. Some companies are past their prime, weighed down by poor execution, weak financials, or structural headwinds.

The tech sector has been the leading force in the U.S. stock market for several years, so it's understandable that some investors would want to boost their exposure to it.

The index is on track for its strongest earnings growth in years—but Alphabet and Amazon are doing much of the heavy lifting.

The S&P 500 (^GSPC) is packed with companies that have built dominant market positions, making it a core index for investors. A select few continue to innovate and expand, setting themselves up for long-term success.

JJ Kinahan, Cboe Global Markets senior vice president of retail and alternative investments, joins 'Squawk Box' to discuss the latest market trends, Nvidia's earnings, what to expect from Fed Chairman Kevin Warsh at the Jackson Hole Economic Symposium this week, and more.