Paycom Software is trading at $219.99, down 12.58% after hours, amid global risk-off sentiment; available coverage identified no confirmed Paycom-specific announcement or after-hours catalyst. - The provided context reports the S&P 500 down 1.10% and Nasdaq down 2.12%. - Reuters cited higher-rate concerns and debt financing behind AI infrastructure as pressures on technology shares on October 16, 2026. - The available evidence does not establish a direct catalyst for Paycom’s sharp after-hours drop.