The Nasdaq was down 0.04% to 1.21% in midday trading Monday, while the Dow Jones Industrial Average was off 0.49% to 13,279.

The S&P 500 fell 0.45% to 1,427.

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The yield on a 10-year treasury bond was up 1.7% to 1.8%.

The price of gold rose 0.24% to $1,728 per ounce.

Shares of Anaheim-based drug maker Questcor Pharmaceuticals Inc. was up 4% to $26 for a market value of $1.6 billion.

Aliso Viejo-based drug maker Avanir Pharmaceuticals Inc. was down about 3% to $3 for a market value of $417 million.