Fortrea Holdings is trading at $23.71, up 4.10%, with the move appearing sector-led amid healthcare gains. - Healthcare was up 2.12%, amid rotation from technology toward healthcare stocks. - No new company-specific catalyst for October 21 was identified. Fortrea’s acquisition of Worldwide Clinical Trials’ Early Phase Services division was announced as completed October 19, making it recent context rather than a clear explanation for today’s move. - Trading volume or activity-level data was not provided.