TOKYO: Japan's SoftBank Group on Monday logged its first quarterly net loss in 18 months on the falling value of investments in its Vision Fund, including Chinese ride-hailing giant Didi Chuxing.

The telecoms firm turned tech investment giant posted a net loss of 397.9 billion yen ($3.5 billion) in July-September 2021, its first net loss since January-March 2020, dragging first-half net profit down by 80 percent.