* Shanghai composite falls 8%, touches 1-year low
* Commodities hit daily down limits
* Onshore yuan 1% weaker, slides past 7-per-dollar
* Bond futures jump (Recasts, updates prices and adds regulatory action)
SHANGHAI/HONG KONG, Feb 3 (Reuters) - Investors erased $420 billion from China’s benchmark stock index on Monday, sold the yuan and dumped commodities as fears about the spreading coronavirus and its economic impact drove selling on the first day of trade in China since the Lunar New Year.
The market slide came even as the central bank poured cash in to the financial system - a show of support for the economy -and despite apparent regulatory moves to curb selling.
The total number of deaths in China from the coronavirus rose to 361 as of Sunday. It had stood at 17 when Chinese markets last traded on Jan. 23.
By lunchtime, the benchmark Shanghai Composite index sat 8% lower near an almost one-year trough and poised to post its worst day in more than four years.
The yuan opened at its weakest level in 2020 and slid almost 1.2%, past the symbolic 7-per-dollar level, as the falls soured the mood in markets throughout Asia.
Shanghai-traded oil, iron ore, copper and soft commodities contracts all posted sharp drops, catching up with sliding global prices.
The new virus has created alarm because it is spreading quickly, much about it is unknown, and authorities’ drastic response is likely to drag on economic growth.
“This will last for some time,” said Iris Pang, Greater China economst at ING.
“It’s uncertain whether factory workers, or how many of them, will return to their factories,” she said. “We haven’t yet seen corporate earnings since the (spread of the) coronavirus. Restaurants and retailers may have very little sales.”
More than 2,500 stocks fell by the daily limit of 10%. The Shanghai Composite last sat at 2,734.7 and the onshore yuan at 7.0165 per dollar.
Copper sank to its lowest in more than three years, falling by its daily limit of 7%, while aluminium, zinc and lead shed more than 4% and soybeans dropped 2%.
Bond prices, meanwhile, surged, with March futures contracts for 10-year bonds jumping 1.5%.
Amid the selldown, the People’s Bank of China (PBOC) injected 1.2 trillion yuan ($173.81 billion) into money markets through reverse bond repurchase agreements. It also unexpectedly cut the interest rate on those short-term funding facilities by 10 basis points.
China’s securities regulator moved to limit short selling and urged mutual fund managers not to sell shares unless they face investor redemptions, sources told Reuters.
“It is a clear message that they want to take growth-supportive measures and keep the market reassured,” said Mayank Mishra, macro strategist at Standard Chartered Bank in Singapore of the PBOC move.
“They are managing the situation well. The timing of the repo rate cut came a little quicker than some people were expecting, but they wanted to send a clear message.”
Beijing has also said it would help firms that produce vital goods resume work as soon as possible, state broadcaster CCTV reported.
Cities like Wuhan, where the virus originated, remain in virtual lockdown and China is facing mounting international isolation. Analysts are beginning to suspect the impact will be deeper than the hit delivered by the Severe Acute Respiratory Syndrome (SARS) outbreak in 2003.
“Although most analysts agree it is too early to estimate the impact of (the virus) on the global economy, one thing I am increasingly more certain of is that the near-term shock to Chinese economy will be much higher than that in SARS period,” said Tommy Xie, head of Greater China research at OCBC.
“The shock to Chinese manufacturing and industry sectors is likely to be unprecedented.” ($1 = 6.9040 Chinese yuan)
Additional reporting by Luoyan Liu and Sam Shen in Shanghai, Mai Ngyuen in Hanoi and Wayne Cole in Sydney. Writing by Tom Westbrook Editing by Richard Pullin and Sam Holmes
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