The Goldman roll, associated with the rolling of long positions held by the Goldman Sachs Commodity Index funds, accounted for about 2,600 contracts, a broker said. These were moved out of October and into December. The official roll period is the fifth through ninth business days of the calendar month preceding the front-month contract.

The floor is long February through May, a broker said. Those months led the gains on the day. February hit nearly a four-week high while April posted a 51/2-week high.

The market seems to have absorbed the speculation about China buying more pork so it will be watching the wholesale pork market and cash prices for further direction signals, analysts and brokers said.

Premiums held by futures to the current cash markets and expectations of large supplies of hogs to be available limited gains.