November has shown considerable volatility, with technology and innovation names selling off as investors exit positions amid concerns about stretched valuations. At the same time, activity has begun to pick up in sectors such as healthcare and oil, representing a flow of capital away from top tech names into areas that previously underperformed.

A small group of very large market-cap stocks has been responsible for much of the upward movement in major indexes. Nvidia accounts for roughly 8% of the S&P 500. Combined with the other members of the Magnificent Seven, these firms now make up about 37% of the S&P 500's total weight, meaning roughly one third of the index is concentrated in a handful of AI-driven technology leaders.

The broader market has not matched the leadership from mega-cap names. As of mid-November 2025, about 43% of S&P 500 constituents are trading above their 50-day moving average and roughly 56% are above their 200-day moving average. That level of participation is modest for an index near record levels and indicates narrow breadth, with gains concentrated among a limited group rather than spread across most stocks.

Capital has been shifting out of technology and into healthcare and oil. If this rotation persists, it should widen participation across the market by increasing the weight of those industries within the index. Such a shift could strengthen the overall market when technology leadership stabilizes.

Broader economic headwinds remain relevant. Layoff activity has been rising at an uncomfortable pace, and a temporary government shutdown interrupted the release of key labor and economic data. With the government reopening, the flow of official data will resume. This week centers on labor-market figures, with the U.S. unemployment rate due Thursday and expected at 4.3%.

SPY has found support in the 660.00-665.00 zone twice this month, reversing higher on both visits. That range serves as a critical support area to hold in order to avoid a move toward 650.00. On the upside, 681.00 represents the primary resistance level before a potential retest of all-time highs.

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