Companies unable to lay out guidance due to tariff uncertainty is "like driving in fog," says Peter Tuchman. The Einstein of Wall Street says he's "trying to be positive" in navigating volatility but admits "I don't know" how the outcome will shake out. However, Peter remains confident a deal between the U.S. and China will come to fruition. He is concerned on how the Trump administration handled A.I. chip exports, equating it to cutting "Nvidia (NVDA) off at the knees."