China may raise an additional 6 trillion yuan ($850 billion) from special treasury bonds over three years to stimulate a sagging economy, local media reported, a figure that failed to revive sentiment in the country's stock market.

Beijing could raise 6 trillion yuan, or $850 billion, by selling treasury bonds over the next three years, sources told Caixin Global.

STORY: China pledged on Saturday (October 12) to "significantly increase" debt in a push to revive its sputtering economy.But it left investors guessing on the overall size of the stimulus package - a vital detail to gauge the longevity of its recent stock market rally.

Embattled property developer Sunac China said on Thursday it is seeking to raise HK$1.21 billion ($155.70 million) to repay its existing corporate debt, at a time when China is dealing with a downturn in the property market.

Sunac China Holdings Ltd. will raise about HK$1.2 billion ($155 million) through placements, the first time in a year that the developer is doing an equity fundraising.