Stocks experienced a sharp decline on Friday. A significant drop occurred in the Nikkei index, which briefly fell by more than 3 percent. This downturn is attributed to rises in crude oil and bond yields.

Further information on this event is available from the source. Details about the specific factors contributing to the decline are also provided.

The impact of crude oil and bond yields on the stock market is a key aspect of this story, but full details can be found in the original report.