** U.S.-listed shares of financial technology co DeFi Technologies DEFT.O gain 11.4% to $2.74
** Stock set for biggest one-day gain in more than two months, hits highest level since August 12
** Co has partnered with SovFi to introduce finance framework to help countries reduce debt, attract foreign direct investment and deepen liquidity in capital markets
** Hedge fund manager Eric Jackson, an advisor to DEFT, said in X post he would speak at co's event in Frankfurt
** Added that he wanted to hear how the partnership could make DEFT "100-bagger", as they are "going after" $100 trillion debt market
** Jackson's bullish posts in July had prompted a rally in meme stock Opendoor Technologies OPEN.O
** DEFT shares have changed little in 2025, including session's move