Rubber Increases as Oil Climbs on Escalating Middle East Unrest

Rubber gained after crude oil jumped on concern that civil unrest across the Middle East and North Africa may disrupt shipments, boosting the cost of making rival synthetic products used to make tires. The July-delivery contract gained as much as 1.2 percent to 532.7 yen per kilogram ($6,412) and was at 529.6 yen on the Tokyo Commodity Exchange at 11:22 a.m. Rubber reached a record 535.7 yen per

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