U.S. prices were unchanged from September to October
The company agreed to pay more than $4 billion following an investigation
Still, the Federal Reserve chair didn't rule out another increase
Panel joins several other forecasters in revising downward its outlook for Europe's biggest economy
The central bank warned that borrowing costs will likely stay elevated for some time
The result came amid higher prices and interest rates
But prices continue to rise faster than is consistent with the Fed's 2% target
Revises April forecast, when it predicted 0.4% growth
Higher borrowing costs could lead Federal Reserve to forgo another hike
The firm said chairman Hui Ka Yan was subjected to ``mandatory measures in accordance with the law due to suspicion of illegal crimes"