S&P 500 sheds $4 trillion as tech stocks slide into bear territory

At least 25 tech names have fallen more than 20% since the index hit its record close on October 6 The S&P 500 has lost $4 trillion in market value since October 6. Over the same stretch, 25 tech stocks have slipped into bear market territory. A bear market, for the uninitiated, is a drop of 20% or more from a recent peak. How the slide unfolded The index set its record closing high of approximately 7,819 on October 6, 2026. By the end of October, it had closed around 7,580. The overall decline from peak works out to roughly 3%. The headline number hides some uglier damage underneath. One late-October session alone took the index down 1.8%. That drop was part of what turned into its worst monthly showing in recent months. Market capitalization, the total value of every share of every company in the index, fell by an estimated $4 trillion over that span. More than 25 tech stocks have now fallen over 20%, according to the deep research findings. Intel and Alphabet are among the names on that list. Intel and Alphabet take the heaviest hits Intel had a rough month by any measure. Its shares dropped approximately 29-45% in October. The chipmaker guided fourth-quarter revenue to betw...