Novanta is trading 7.02% down at $132.96, with the broad market sell-off the likeliest explanation; no company-specific announcement was identified for November 5. - Supplied market context shows the S&P 500 down 2.47% and Nasdaq down 3.85%, amid concerns about AI regulation and data-center spending. - Third-quarter results are scheduled for November 9, but are not an announced catalyst. - Prior-day industrial weakness adds context, not a company-specific cause; search results show no fresh Novanta news November 5.