TCAI is trading at $34.62, up 4.94%, as broader-market gains support a sentiment explanation for the move. - No company-specific announcement explaining the move was identified; the earlier pre-market decline has reversed during live trading. - The S&P 500 is up 1.65%, the Nasdaq Composite 2.13%, and the Dow 1.37%. - Recent concerns about AI infrastructure investment and data-center regulation remain a headwind for technology stocks.