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"Fewer seats filled by European travelers to the U.S., and a slower pace of growth in U.S. outbound to Europe than last year, ...

In the latest close session, Delta Air Lines (DAL) was down 4.33% at $47.32. This change lagged the S&P 500's daily loss of 0.84%. Meanwhile, the Dow lost 0.7%, and the Nasdaq, a tech-heavy index, ...