Tenable is trading 4.47% down at $46.54 after its October 28, 2026 earnings report, as Q4 revenue guidance implied slower year-over-year growth than Q3. - It beat Q3 revenue and adjusted EPS estimates and raised full-year guidance. - Coverage explicitly linked the Q4 growth concern to the after-hours selloff. - Nasdaq futures were down 1.20%, with broader technology weakness potentially adding pressure; no separate company announcement explaining the pre-market move was identified.