The Nikkei stock index experienced a significant decline, briefly falling over 3 percent early Friday. This downturn was influenced by losses on Wall Street overnight. Rising crude oil futures also played a role in the index's plunge.
Further details about the stock index's performance are available from the source. The decline occurred after overnight losses in the US market, specifically on Wall Street, and was also affected by changes in West Texas crude oil futures.
The source provides more information about the Nikkei stock index's movement and the factors that contributed to its decline.