Economics textbooks insist that stock prices reflect the future stream of a company’s profits on any given day. For all the brainpower devoted to these forecasts, however, they are essentially rough estimates of what may happen over the next twelve months and wild guesses about anything after that.

Trump's executive order late Thursday laid out rates to be applied against nearly 70 countries, ranging from 10% to 41% in what a Trump administration official hailed as the beginning of a "new system of trade." The new duties are now set to go into effect on Aug. 7.

President Donald Trump has made a series of false and misleading statements to justify his new tariff policies.