“This is about saving lives,” Mr. Inslee said. “It’s about reopening our businesses.”
In Florida on Wednesday, Gov. Ron DeSantis gave no indication that the state would roll back its economic opening, but he urged residents to avoid closed spaces with poor ventilation, crowds and close contact with others.
The New York quarantine announced Wednesday by Gov. Andrew M. Cuomo applies to visitors from Alabama, Arkansas, Arizona, Florida, North Carolina, South Carolina, Utah, Texas and Washington State. Violators could be subject to a mandatory quarantine and fines of up to $10,000. Travelers to New Jersey and Connecticut will also be told to quarantine.
The reopening of many businesses is not going smoothly. Apple said Wednesday that it had shut seven stores in the Houston area because of the rising number of cases in the region. Last week, it closed 11 stores in Arizona, Florida, South Carolina and North Carolina. Apple had opened most of its stores in the United States in recent weeks after closing nearly all of its roughly 500 stores worldwide months ago.
Many stock market investors, who had been expecting the virus to retreat swiftly, were alarmed by its resurgence. The spike appeared to undermine hopes for a V-shaped rebound, in which both the economy and corporate profits would bounce back as swiftly as they plunged when the United States fell into a recession.
“All the hopes of investors looking for a better economy to improve the bottom lines of companies shut down in the recession have been dashed,” Chris Rupkey, chief financial economist at MUFG Union Bank, wrote in a note to clients on Wednesday. “Forget about the fears of the virus coming back in the fall. The number of new cases and hospitalizations in states like Arizona, Texas and Florida says the threat is happening right now.”
This is the second time in recent weeks that the S&P 500 stock market index has faltered. On June 11, reports of rising infections set off a 5.9 percent drop. Wednesday’s market drop was led by sharp downturns in sectors including energy, industrial and financial shares, which tend to be sensitive to the near-term expectations for economic growth.
For most of the day, investors clobbered the stocks of companies that are most vulnerable to the risks of a prolonged pandemic. The cruise line Norwegian was down 12.4 percent, while competitors Royal Caribbean and Carnival both plummeted more than 11 percent. They were the three worst-performing issues in the S&P 500.