Chicago Board of Trade rice futures Thursday tumbled the daily exchange-imposed limit for the fourth consecutive session, with deferred contracts settling limit-down on continued fund and speculative liquidation.

July rice finished down $1.14 1/2 cents at $20.63 1/2 after briefly falling the $1.15 limit. September rice ended $1.15 lower at $18.54, and November rice ended $1.15 lower at $18.23.