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* The most-active rubber contract on the Shanghai futures exchange for September delivery rose 300 yuan, or 2.5%, to 12,200 yuan per tonne by around 0652 GMT.
* The U.S. dollar was quoted around 109.18 yen, compared with around 109.36 yen on Tuesday afternoon.
* Oil prices were lower with Brent dropping 0.8% and U.S. crude down by 1.2%.
* Japan's benchmark Nikkei stock average ended the day 1.2 percent lower.
* TOCOM's technically specified rubber (TSR) 20 futures contract for November delivery fell 0.3% to close at 161.6 yen per kg.
* The front-month rubber contract on Singapore's SICOM exchange for June delivery traded at 155 U.S. cents per kg, down 0.1%.