He is willing to go to $500B but...
The White House is debunking some of the fear from the reports from Bloomberg that Trump was ready to push the button on the $500B of tariffs if Xi/Trump can not make progress on tariffs.
In reality, the threat has been there since July, but the market goes hot and cold on the idea.
Trump grades himself on the stock market's performance. If the price continues to move lower, you can expect more comforting words - especially with mid term elections right around the corner. After that, it is anyone's guess but recall, the sell off on the day Pres. Trump was elected lasted all of a few hours before the market shot higher.
A split Congress would in theory, not be bullish as fears of stalemate grips the market. Of course, predicting the ebbs and flows in politics is simply not all that predictable and who knows, it may be that the horse already left the barn and a slowing of Washington, might be a good thing. Let the corporations do their thing.