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.

U.S. stocks drifted to a mixed finish as President Donald Trump’s tariffs on dozens of countries had only a muted effect on markets worldwide.

Donald Trump's proposed 50% tariff on Indian exports casts a shadow over Indian stock markets, impacting sectors like textiles and auto ancillaries. W