Big Tech had a rough week: Alphabet lost $477 billion in market value at Friday's low, its worst week ever, with most of the drop coming after its third-quarter results. Yahoo Finance calculated October's loss at about $766 billion at Friday's low, the second-largest monthly loss ever for a US-listed company after SpaceX's roughly $822 billion drop in July. Intel fell as much as 30% after a weak outlook, and Amazon shed about $70 billion. UBS's chief investment office argued that volatility does not make leaving markets an effective way to protect a portfolio and urged investors to build a resilient portfolio with exposure beyond tech. The article then ranks ten large tech stocks, including TSMC and Alphabet, by market cap as of October 31, 2026.
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