JAPAN – Japan’s Nikkei fell to a four-month low in volatile trading on Wednesday as investor sentiment was weighed by concerns about US inflation data due to be released later on Wednesday.

The benchmark index closed 0.4 percent lower at 2,1154.17 points, its lowest close since October 12. In a sign of investor fatigue, the index fluctuated between a high and a low during the session and fell briefly below the 200-day average of 21030.86 points.

The dollar hit 107.72 yen by 0642 GMT after falling to its lowest level since November 2016 at 106.840 yen.

The Tokyo stock market witnessed heavy selling that led to a decline of about 80 percent of the shares listed on the main index while 20 percent of the shares gained.

Shares of exporting companies such as car and electronics companies lost. Toyota fell 2.1 percent, Mazda 1.8 percent and Panasonic two percent.

The broader TOPIX index <.TOPX> was down 0.8 percent at 1,702.72, its lowest level since October.