Ah, the stock market. That fickle beast, supposedly driven by fundamentals, earnings reports, and the measured pronouncements of central bankers. And then there’s Donald J. Trump, whose mere utterance can send analysts scrambling and indices performing interpretive dances that would make a seasoned economist weep. The latest round of Google Alerts confirms what we’ve always suspected: under Trump, the market isn’t just reacting to news; it’s reacting to the idea of news, the threat of news, and sometimes, t ...