By
London's benchmark FTSE 100 index of major companies registered a decline of almost 0.6 percent to stand at 7,381.27 points.
In the eurozone, Frankfurt's DAX 30 sank nearly 0.8 percent to 12,456.82 points and the Paris CAC 40 dropped about 0.6 percent to 5,414.15 compared with Tuesday's closing level.
Asian equities hit reverse gear, tracking fresh losses on Wall Street as investors fretted about rising US Treasury yields and speculation that interest rates will rise four times this year.