The Dow has experienced a significant increase, with some reports indicating a gain of 1,200 points, while others suggest a more modest increase of nearly 600 points or over 1,100 points. The surge has reportedly led the Dow to close above 50,000 for the first time. However, there is some uncertainty about the exact magnitude of the gain and the factors driving it, with various reports citing different leaders in the rebound, including chips and airlines, as well as calm over China trade war fears.