11.   The impending sale of gold reserves by European central banks also weakened gold prices.

12.   The rejected plan would have increased the supply of oil on the world market, thus weakening prices.

13.   Weakening oil prices, one of the forces driving many petroleum companies to combine operations, fell further Monday.

14.   When prices of bonds fall, their interest rates, or yields, rise to attract more buyers, thus weakening prices for stocks.

15.   Algeria has proposed that OPEC heads of state come together to tackle the problem of weakening oil prices.

16.   Corn and soybean futures prices were weakened by poor export figures.

17.   Dealers said sentiment on the stock market remains bearish because of weakening futures prices.

18.   Like its partners in the Organization of Petroleum Exporting Countries, the United Arab Emirates has been hit hard by weakening oil prices.

19.   South Korea is thinking about cutting production of computer chips because a glut in the market has so weakened prices.

20.   Traders said an overnight fall on the New York Stock Exchange and weakened futures prices on the Chicago Mercantile Exchange on Monday combined to weigh on the Tokyo market.