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 on Thursday signed an executive order that set new tariffs on a wide swath of U.S. trading partners to go into effect on Aug. 7. The order drew worries from Wall Street Friday as stocks slumped and Treasury yields fell sharply.

The JSE All Share index hits a new record, reaching 101 034 points, as equities soar despite the looming threat of Trump’s tariffs. What does this mean for South Africa's financial landscape?