Clean Energy Fuels is trading at $1.58, up 5.33% versus the regular-session close; no specific after-hours catalyst was identified. - Its latest listed company announcement was the October 14 appointment of Sean Wine as its first chief revenue officer, not a new October 16 release. - The broader market was sharply lower, so it does not explain the stock’s upward after-hours move; the reason remains unclear. No after-hours volume data was provided.