  none japanese rubber futures fell on monday tracking losses in the shanghai market while lower crude prices dampened their appeal and discouraged a switch to natural rubber from synthetic rubber which is derived from oil   none the osaka exchange rubber contract for august delivery  finished 35 yen or 14 lower at 2406 yen 204 per kg   none oil prices shed as much as 4 a barrel extending last weeks decline as diplomatic efforts to end the war in ukraine geared up and markets braced for higher us interest rates   none an alleged cybercrime group released a statement on sunday saying it had stolen classified information from toyota motor corps 7203t main supplier denso 6902t and will release it on the dark web japans public broadcaster nhk reported   none the rubber contract on the shanghai futures exchange for may delivery was down 445 yuan at 13455 yuan 211620 per tonne earlier in the session it fell by 33 marking its biggest percentage decrease since oct 22   none the current spike in covid19 cases in china has halted production at some companies such as tyre manufacturers which means lower demand for rubber a singaporebased trader said   none with weaker oil prices and news of lockdowns in china traders are quite bearish he said   none china has reported more local symptomatic covid19 cases so far this year than it recorded in all of 2021 as the highly transmissible omicron variant triggers outbreaks from shanghai to shenzhen read more   none volkswagen group china said production at plants in chinas changchun city had been suspended from monday to wednesday due to covid outbreaks   none the frontmonth rubber contract on singapore exchanges sicom platform for april delivery last traded at 1724 us cents per kg down 29