Bar chart of the six of the 10 largest S&P 500 stocks that fell from October 16 to October 23, 2026, led by Meta down 9.40%. The S&P 500 fell 0.47% while its average stock rose 1.04%

Meta fell 9.40% last week, the biggest drop among the 6 of the 10 largest S&P 500 stocks that lost ground.

The S&P 500 slipped 0.47% to 7,623.68.

The average stock in the index rose 1.04%.

Here is how the 6 decliners did from the October 16 close to the October 23 close.

  • Meta -9.40%

  • Alphabet -5.98%

  • Broadcom -2.15%

  • Nvidia -1.48%

  • Microsoft -0.86%

  • Amazon -0.80%

The other 4 rose, led by Tesla.

  • Tesla +4.93%

  • Berkshire Hathaway +1.91%

  • Eli Lilly +1.31%

  • Apple +1.24%

Five of the 6 decliners are members of the Magnificent 7.

Alphabet, Microsoft and Amazon all report earnings this week.

A down week for the index with most stocks rising says the selling was in a few giants, not the whole market.

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Phil Rosen
Phil Rosen

Phil Rosen is co-founder and CEO of Opening Bell Media and chief market strategist for Silvia Inc. (NASDAQ: SVIA). He hosts Full Signal and writes Opening Bell Daily — the markets briefing read by over 200,000 investors and published on Bloomberg Terminals — and has also published two books and won a Fulbright award for his reporting. Contact him at [email protected].