* 10-yr Treasury yields drop under 2-yr first time in 12 years
* Investors fear inversion heralds recession, hope for Fed rescue
* Asia shares slip as Dow loses 800 points in worst day of 2019
* Oil extends big overnight drop on demand, supply pressures
* Asian stock markets: https://tmsnrt.rs/2zpUAr4
By Tomo Uetake and Wayne Cole
TOKYO, Aug 15 (Reuters) - Asian stocks slid and oil prices extended a punishing sell-off on Thursday as investors feared an historic drop in long-term U.S. bond yields could prove a herald of recession globally.
Spooked investors stampeded to the safety of sovereign debt and drove yields on 30-year Treasuries US30YT=RR to all-time lows at 1.97%. Yields have now fallen a staggering 60 basis points in just 12 sessions to pay less than three-month debt.
Yields on 10-year paper US10YT=RR dropped to 1.55%, taking them under two-year paper. Such an inversion was last seen in 2007 and correctly foretold the great recession that followed a year later. US/
"The yield curves are all 'crying timber' that a recession is almost a reality and investors are tripping over themselves to get out of the way as economic recession hurts corporate earnings and stocks can drop as much as 20%," said Chris Rupkey, chief financial economist at MUFG Union Bank.
The only saving grace was that the sheer scale of the scare would be bound to alarm central banks everywhere and likely draw a policy response, especially from the Federal Reserve.
The futures market was clearly expecting drastic action as it priced in a greater chance the Fed would have to cut rates by half a point at its September meeting. FEDWATCH
"Hoping for the best on the policy front but positioning for the worst on the economic backdrop seems to be the flavour of the day," said Stephen Innes, a managing partner at Valour Markets.
"The Fed, now out of necessity alone, will need to adjust policy much more profoundly than they expected."
That hope helped E-Mini futures for the S&P 500 ESc1 and the EUROSTOXX 50 STXEc1 nudge 0.2% higher in Asia.
Japan's Nikkei .N225 was still off 1.5% but up from early lows, while Shanghai blue chips .CSI300 eased a relatively modest 0.5%.
MSCI's broadest index of Asia-Pacific shares outside Japan .MIAPJ0000PUS dropped 0.8% and briefly touched a seven-month low.
A SELF-FULFILLING CYCLE
All three of the major U.S. stock indexes tumbled about 3% overnight, with the blue-chip Dow .DJI posting its biggest one-day point drop since October. .N
Global growth woes have mounted as the Sino-U.S. trade war claimed ever more victims, with the German economy contracting in the June quarter and a truly dire set of activity data for July out of China. Donald Trump on Wednesday seemed to tie a U.S. trade deal with China to a humane resolution of the weeks of protests wracking Hong Kong. top Australian central banker on Thursday warned a world downturn could become "self-fulfilling" if the uncertainty over trade led businesses to put off investment indefinitely. threat to global demand took a heavy toll on oil prices, with Brent crude LCOc1 losing another 44 cents to $59.04 a barrel, after shedding 3% overnight. U.S. crude CLc1 was last down 33 cents at $54.90. O/R
Safe-haven gold gained 0.3% to $1,521.00 per ounce XAU= , not far from its highest since April 2013.
Major currencies were relatively calm, with the yen gaining just a little from its status as a safe harbour. The dollar was last at 105.85 yen JPY= having fallen 0.8% overnight form a top of 106.77.
The dollar index .DXY was a shade easier at 97.932, with the euro bearing its own burdens at $0.1.1147 EUR= following Wednesday's soft German data.
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