Stock Market Movers: Biggest Losers and Gainers on 23 October 2026

2. TNGX: Tango Therapeutics (TNGX) nosedives 16.43% on profit-taking following 4-day gain.

1. LKQ: LKQ Corp. (LKQ) slashes 22.47% on weak Q3 preliminary results and leadership change.

Highest Gainers

10. TTMI: TTM Technologies (TTMI) recovers 8.42% on sell-the-news move after strong Q3 earnings and Q4 growth guidance.

9. SAIL: Sailpoint Inc. (SAIL) extends rally for 5th day, jumps 8.62% on overall cybersecurity rally as US security agencies warn of critical vulnerabilities in PHP, which powers much of the internet.