Britain’s FTSE 100 index surged almost four percent at the start of trading in London. Germany’s DAX is up almost six percent, while France’s CAC gained almost five percent.
The pan-European Stoxx 600 jumped 4.4 percent in early trade, with basic resources growing 6.5 percent as all sectors entered positive territory.
Markets in Asia-Pacific also jumped earlier in the day in reaction to the Fed stimulus announcement, with stocks in Japan and South Korea leading the gains among the region’s major markets.
The US Federal Reserve said on Monday that its stimulus program will run in the “amounts needed to support smooth market functioning and effective transmission of monetary policy to broader financial conditions and the economy.”