Markets started Tuesday with red across the board but closed the day with gains, even with a likely government shutdown looming over the economy. A.I. stories led trading action, from Nvidia's (NVDA) new all-time high, CoreWeave's (CRWV) 11-digit deal with Meta Platforms (META), and Wolfspeed (WOLF) emerging from Chapter 11 bankruptcy. Marley Kayden takes investors through a busy day that ended the third quarter.