Light sweet crude for October delivery fell 54 cents, to $30.76.

Gasoline and heating oil for October delivery were also down slightly.

Crude oil for October delivery fell 20 cents, to $21.62 a barrel.

The contract for October delivery fell $1.96, to $25.92 a barrel.

October delivery closed 10 cents lower, at $19.63 a barrel.

Gold for October delivery rose $2.20, to $351.10 an ounce.

The contract for October delivery settled yesterday at $30.91, a gain of $2.28 on the week.

The price of crude oil for October delivery rose $1.53 a barrel, to $34.71.

Crude oil for October delivery fell 16 cents, to $23.24 a barrel.

Crude oil for October delivery rose $1, to $14.67 a barrel.