Japan futures tumble, but books 17pc gain for February
- Osaka Exchange's rubber contract for August delivery finished 14.1 yen, or 4.9%, lower at 275.9 yen ($2.6) per kg. But it booked a 4% gain for the week and a 17% jump for the month.
- The rubber contract on the Shanghai futures exchange for May delivery also tanked 945 yuan to finish at 15,990 yuan ($2,475) per tonne.