* Chinese iron ore firm for third day on demand hopes
* Market gives up some gains as U.S. dollar stabilises (Updates prices)
By Naveen Thukral
SINGAPORE, Feb 9 (Reuters) - Iron ore futures in China gained further on Thursday, rising for six of eight sessions, with values underpinned by signs of strong demand in world's top steel consumer China.
Resumption of construction activity after the Lunar New Year break is boosting demand for steel and other raw materials, analysts said.
"On Tuesday and Wednesday we saw iron ore transactions in the spot market as buyers are restocking after the holidays," said Wang Di, an analyst at CRU consultancy in Beijing.
Investors in the iron ore market expect economic data in the coming weeks to show the world's second-largest economy got off to a good start in 2017.
Steady growth is giving the central bank room to slowly tighten monetary policy and contain the risks from high levels of debt. The market will seek further direction from trade data due on Friday. most-active rebar contract on the Shanghai Futures Exchange SRBcv1 was up 1.3 percent at 3,239 yuan a tonne. The market has risen for three consecutive sessions.
Iron ore on the Dalian Commodity Exchange DCIOcv1 gained 1.1 percent to 643 yuan.
China's foreign exchange regulator said on Wednesday that risks from cross-border capital flows will be generally under control in 2017, a day after the country reported that its forex reserves had fallen to near six-year lows. authorities have taken a raft of steps in recent months to curb capital flight from the country to support its weakening yuan currency, while trying to bring in more foreign investment.
The iron ore market gave up some of the earlier gains as the dollar bounced.
The dollar managed to stabilise on Thursday after the previous session's slide, although lingering risk aversion pinned Treasury yields near multi-week lows and restrained the greenback's bounce. USD/
In news Rio Tinto RIO.L , RIO.AX shrugged off concerns on Wednesday that its sale of Guinea's Simandou project to Chinalco 3668.HK had stalled after an investigation into payments to a consultant who helped it win rights to the huge iron ore deposit. ore for delivery to China's Qingdao port .IO62-CNO=MB rose 0.3 percent on Wednesday, according to Metal Bulletin.