The spread of swine flu roiled trading in everything from livestock futures to the Mexican peso to airline stocks on Monday, as traders worried that consumers would rein in spending on travel and food perceived to be less safe because of the outbreak.
Most major stock averages traded in a narrow range throughout the day, but the flu scare's effects were evident in many corners of the market. The Dow Jones Transportation Average tumbled 4.7%. Airline stocks sank. AMR slipped 13%, while Continental Airlines declined 16%.
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