While the S&P 500's all-time high hasn't been accompanied by other parts of the market (notably, small caps), further gains are possible if breadth firms up.

Tech sector stocks gained more than 50% last year, fueled by AI and signs of improvement in the cloud and chip markets. Upcoming Q4 results could give investors clues into 2024.

Like some advances earlier this year, the market's current surge hasn't been defined by strong breadth underneath the surface—which will be key for a sustained, durable advance.

Looking to understand how to read stock charts? Start learning the basics of using charts, identifying trends, applying price patterns, and using charting indicators.

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