JGB futures jump over half point as stocks fall

TOKYO, Feb 20 (Reuters) - Japanese government bond futures jumped more than a half point on Tuesday, erasing earlier losses, as Tokyo share prices extended a slide, encouraging safe-haven buying of government debt.

March 10-year futures 2JGBv1 rose as much as 0.53 point on the day to 137.88 and were trading up 0.47 point at 137.82 as of 0431 GMT. In early trade, the lead contract matched a one-month low of 137.12 struck in evening trade earlier in this month.

The benchmark 10-year yield fell 3.5 basis points to 1.430 percent <JP10YTN=JBTC>, sliding from 1.480 percent reached earlier in the day.