Nvidia’s earnings don’t just move markets—they are the market. The latest results, due Wednesday after the closing bell, will represent more than a marginal company update. They’ll provide a litmus test of whether the artificial intelligence trade has room to run,

There is now only one crucial call to make in the stock market: What is the Trump Presidency going to do to the stock market?

While nobody can predict what the market will do, especially in the short term, some metrics suggest that a downturn could be on the horizon.