U.S. Congress "may have to do more" to soften the economic damage of the pandemic, says Fed chair
Economist warns recovery could “grind to a halt in the fourth quarter”
By turning to shared debt and spending, the EU is taking a different approach
The central bank says it expects the eurozone economy will contract by 8.7% this year
The central bank is buying an extra $132 billion in bonds
The Dow Jones was down more than 900 points early Monday afternoon
Some economists doubt how much good more stimulus will do
The central bank announced new stimulus on Thursday
The central bank also indicated it's considering a new round of bond-buying stimulus
The bank's next policy meeting is on Thursday