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EDITION Nº 003 · BRAZILFRIDAY, OCTOBER 30, 2026 · 13:52
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WALL STREET30 OCT 2026 · 12:26

Busy October: big techs are hardest hit while most of the S&P 500 closes higher

According to MarketWatch, big technology companies were hit hardest this month, while most stocks in the S&P 500 ended higher.

BY THE X-TRADER NEWS NEWSROOM · REPORTING FROM MARKETWATCH · 2 MIN

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October was a busy month for the American stock market, and MarketWatch took advantage of the period to list the stocks that gained the most and those that lost the most. The overall picture is contrasting: While big technology companies were hit hard, most stocks in the S&P 500 closed the month higher.

According to MarketWatch, big techs were the point of greatest attention during the period. As these names have relevant weight in indices, the pressure on them appears prominently in the news, but does not represent the behavior of the entire market. The report also records that the broad index performed better than that of technology giants.

The most useful reading for those who follow the stock market is this difference between the broad index and the technology-focused section. The movement was selective: there was no generalized increase, but the month was also not bearish for all shares. When a few names greatly influence an index, the overall result can hide the performance of most stocks.

MarketWatch's list of winners and losers helps separate index behavior from each company's performance. From the point of view of an economics liberal, the good results of companies outside the big tech group reinforces that competition and diversity of sectors remain relevant to the market.

The facts available in the report do not allow us to project what comes next for these roles. Interested readers should consult the complete list published by MarketWatch, which details which names rose and which fell during the month.

What changes for the investor

The month's cut reinforces an old point in portfolio management: depending on a few names, even if they are big and well-known, increases sensitivity to isolated movements. An investor who follows broad indices feels less of the impact of concentrated declines than someone who has strong exposure to a single sector. It is worth observing the fundamentals of each company and the weight of the securities in the portfolio, without taking this reading as a buy or sell signal.

Automatically translated from Portuguese.

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