Stock Market Movers: Biggest Losers and Gainers on 27 October 2026

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Worst Performers

10. CSGP: CoStar Group (CSGO) extends 3-day losing streak, drops 5.01% despite strong Q3 earnings as investors digest planned acquisition of Vexcel.

9. TRU: TransUnion (TRU) dips 5.28% on sell-the-news move after solid Q3 earnings.

8. INTR: Inter & Co Inc. (INTR) drops 5.34% on continued selloff in Brazilian stocks over surprise win of incumbent president.

7. PAYX: Paychex Inc. (PAYX) falls 5.57% on selloff after the cutoff date for dividends.

6. HSBC: HSBC Holdings (HSBC) down 5.7% as revenue growth disappoints.

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