TOKYO: Japanese rubber futures fell for the first time in five days on Thursday as rising coronavirus cases and lockdowns around the world fuelled concerns about economic recovery and demand for commodities. The Osaka Exchange's rubber contract for May delivery finished 2 yen, or 0.8%, lower at 236 yen per kg. The rubber contract on the Shanghai futures exchange for January delivery ended the day 1% lower at 14,575 yuan per tonne.