Stocks fell, with the Dow Jones Industrial Average (.DJI) slipping 2.5%, the S&P 500 (.SPX) down about 2.6% and the Nasdaq Composite (.IXIC) off 3%.
The STOXX (.STOXX) fell by about 2.85% as heavyweight stocks across sectors sank.
U.S. Treasury yields fell on Thursday, with the yield on 10-year Treasury notes down 6.4 basis points to 3.439% and the 30-year down 8.1 basis points to 3.459%.
China's economy, however, lost more steam in November as factory output slowed and retail sales fell again, hobbled by surging COVID-19 infections.
U.S. crude fell 0.75% to $76.70 per barrel and Brent was at $81.85, down 1.03% on the day.