GOLD-SILVER: Precious metals hit their highest prices in two weeks after Portugal's financial troubles worsened and European leaders worked on a financial aid package for Greece.
DEBT WOES: Portugal's borrowing rates rose after Moody's downgraded the government's debt. European leaders are trying to finalize a second package of loans for Greece. Investors are concerned that the financial crisis could spread to other European countries.
DOLLAR'S IMPACT: Oil and agricultural products were mixed as the dollar rose. Since commodities are priced in dollars, a stronger dollar makes them more expensive for investors who trade in other currencies.