Prices for airline shares, which had soared early in the year on lower fuel prices and speculation about airline mergers, plummeted last week on the downward earnings estimates and rising fuel prices.
On Friday, the Dow Jones Wilshire U.S. Airline Index and the American Stock Exchange Airline Index were each down 4 percent for the day.
AMR shares fell 4.8 percent to $26.35 for the day, and were down 35 percent from a Jan. 19 high of $40.66.
Shares in Southwest Airlines were down 1.5 percent.
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