efe-epaBy Lucia Leal Washington

Almost half the US population on Monday was living in states or cities that have decreed lockdowns or quarantines over the coronavirus, while the Federal Reserve announced extraordinary measures to protect the US economy and the Senate remained mired in a tense debate over how to invest almost $2 trillion in economic stimulus funds.

Meanwhile, President Donald Trump has been giving signs of impatience with the plunging markets and suggesting that he could rethink or roll back his recommendation that the public take measures to socially distance themselves from others.