* The benchmark TOCOM rubber contract for October delivery finished 1.8 yen ($0.0163) lower at 189 yen per kg.
* The most-active rubber contract on the Shanghai futures exchange for September delivery rose 10 yuan ($1.48) to finish at 11,845 yuan per tonne.
* United States President Donald Trump unexpectedly ratcheted up pressure on China on Sunday, potentially ending a trade truce between the world's top two economies that lasted for several months.
* The U.S. dollar was quoted around 110.15 yen, compared with around 110.24 yen on Tuesday afternoon.
* Oil prices rose on Wednesday as U.S. sanctions on crude exporters Iran and Venezuela as well as ongoing supply cuts by producers have left markets tight just as crude imports to China rose to a record for April.
* Japan's benchmark Nikkei stock average was down 1.46 percent.
* TOCOM's technically specified rubber (TSR) 20 futures contract for November delivery closed down 1.9 yen at 164.4 yen per kg.
* The front-month rubber contract on Singapore's SICOM exchange for June delivery last traded at 149.4 U.S. cents per kg, down 0.7 percent.