TOKYO, Oct. 16 (Xinhua) -- Tokyo stocks extended gains Tuesday morning as the yen's softer tone and higher Asian stocks encouraged investors to buy back issues after the Nikkei's sharp fall a day earlier.

File photos: VCG

The 225-issue Nikkei Stock Average added 136.24 points, or 0.61 percent, from Monday to 22,407.54.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, gained 7.47 points, or 0.45 percent, at 1,682.91.

Mining, oil and coal product, and real estate-linked issues comprised those that gained the most by the morning break.

Meanwhile, China's Hushen 300 index futures opened higher on Tuesday, as the contract for settlement in October 2018 opened 0.34 percent higher at 3,135.60 points.

China's five-year treasury bond futures opened lower, with the contract for settlement in December 2018 opening 0.06 percent lower at 97.95 yuan ($14.17).