Ah, the stock market. A fickle beast, swayed by everything from geopolitical tremors to a rogue tweet. But in the grand theater of financial volatility, one performer consistently delivers a unique brand of drama: Donald J. Trump. With a recent flurry of pronouncements, from cinematic tariffs to pharmaceutical pacts, the former (and potentially future) President has once again reminded us that when it comes to market reactions, predictability is, well, entirely unpredictable. It’s a high-stakes game of poli ...