The market moved up at the opening bell, briefly pushing the Standard & Poor's 500-stock index past 1,000 for the first time since June 2002, before falling back.

For the fourth consecutive week, the stock market rose, pushing the Standard & Poor's 500-stock index to its highest level since June 2001.

Precious metals slumped, helping to push the Commodity Research Bureau's index down 1.33 points.

The afternoon selling pushed the Standard & Poor's 500-stock index and the Nasdaq composite index down to their lowest closing levels of the year.

Urging a Steady Policy At the same time, however, factories paid higher prices to suppliers, pushing the group's index to the highest point in nearly six years.

But the stocks of smaller companies managed to rally enough to push that sector's main index to a new high.

General weakness in technology stocks pushed the Standard & Poor's 500-stock index down 3.79 points, to 652.00.

Those gains pushed Morgan Stanley's index of the 50 largest multinational companies up 2.3 percent.

Stocks fell sharply yesterday on record trading volume, pushing the Standard & Poor's 500-stock index to a new closing low for the year.

Modest Rises Lately The drop has pushed the Commodity Research Bureau's index to levels not seen since the summer of 1989.