Central banks have been aggressive sellers of gold, especially in the late 1990's, when gold was touching record lows.

As investor bids inched up, dealers became less aggressive sellers.

The decision is also significant because Lilco is among the most aggressive sellers of pollution credits in the state, state officials say.

He added, "You don't want to be an aggressive seller here."

In fact, Baystar had been an aggressive seller from the first day of trading.

"But central banks were aggressive sellers of dollars today, giving the market the strong sense that the dollar had topped," he continued.

An overly aggressive seller could be present for example.

Rocker Partners has long had a reputation as one of the more aggressive short sellers around.

But traders in cattle on feed lots were aggressive sellers.

Because gold producers have been aggressive sellers during recent price rises, many precious metals buyers remained cautious.