Gain Therapeutics is trading at $1.39, up 9.94% after hours, with no clear company-specific catalyst identified. - The October 23 regular-session close was $1.26, down 2.33%. - Its latest listed updates were an October 1 clinical-data announcement and an October 8 conference notice; neither was October 23 news. - Broader markets were under pressure amid Middle East concerns and rising oil prices, but those factors do not explain the after-hours gain.