BIO-key International is trading at $2.70 (-7.22%) in after-hours trading; no confirmed company announcement or direct catalyst was identified. - BIO-key International closed October 14 at $2.91, after rising 2.83% during the regular session. - On October 14, the S&P 500 fell 1.33% and the Nasdaq Composite fell 2.30%, which may have contributed to risk-off sentiment. - The October 13 customer announcement and PortalGuard appointment were earlier news, not confirmed explanations for the decline.