TOKYO, June 13 Japanese government bonds soared on Thursday, with the benchmark 10-year yield dropping below the 0.8 percent level for the first time in nearly a month as stocks plunged in line with a resurgent yen.
* The 10-year JGB yield skidded 8 basis points to 0.795 percent, its lowest level since May 17, and moving away from a two-week high of 0.9 percent touched on Wednesday.
* Ten-year JGB futures ended morning trade up 0.77 point at 143.10.
* The yield on the 20-year bond fell 5 basis points to 1.645 percent, also moving away from a two-week high of 1.705 percent hit on Wednesday.
* The Nikkei share average plunged more than 5 percent on Thursday, after the dollar fell to a 10-week low against the yen as investors cut bullish positions on the U.S. currency amid uncertainty over whether the Federal Reserve will trim its stimulus programme.
* "Stocks reacted to the yen's strength, and that is why investors are buying bonds," said a fixed-income fund manager at a Japanese trust bank in Tokyo.
"Investors continue to adjust positions, with the BOJ's policy in focus," he added.
* Stocks came under more pressure earlier this week, when the BOJ kept monetary policy steady on Tuesday and held off on any new measures to calm bond markets.
* BOJ board member Sayuri Shirai said on Thursday that the central bank expects Japan's long-term rates to eventually stabilise at levels consistent with its 2 percent inflation target.
* The BOJ offered to buy outright in its regular market operations 450 billion yen ($4.70 billion) of JGBs with residual maturities of five to 10 years, and another 200 billion yen maturing in more than 10 years.