What had been a steady pullback from the US stock market accelerated sharply Monday as investors retreated from virtually every type of risk and economic fear raced across Wall Street.

Two days later, after a hastily called Cabinet meeting, Trump announced some new restraints on his fellow billionaire. But even in a truly head-spinning week in this new era in Washington, one Trump remark stands out in how utterly unbelievable it was.

Wall Street’s sell-off is worsening. The S&P 500 fell 2.8% Monday as worries build about how much pain President Donald Trump is willing to endure on the economy in order to get what he wants.