President Trump wants the S.E.C. to reduce the frequency of corporate earnings reports. Our columnist says it’s a reasonable experiment, but at a dangerous time.

President Trump’s pressure on the Federal Reserve, on top of the uncertainty about his tariff policy, continued to jar investors as stocks, bonds, oil and the U.S. dollar all tumbled.

Optimistic guesses about the future are not forecasts, our columnist says.

Vague comments about possible future rate cuts were all that central bankers gave the markets. Patience will be difficult at this tricky moment, our columnist says.