TCAI is trading 1.52% lower at $48.46, with no clear company-specific announcement explaining the October 7 move. - Tortoise Capital’s press-release page shows no new release dated October 7. - The Nasdaq is down 0.66% and the Dow is down 0.54% in pre-market. Both moves are below the stated threshold for a strong broad-market signal, so their contribution remains uncertain.