SAN FRANCISCO (MarketWatch) — The Dow Jones Transportation Index rallied 4.2% Thursday, on track for its best session since June 10, as airline and shipping components advanced on brighter earnings and outlooks. JetBlue Airways Corp. shares jumped 7.6% after the airline reported a sharp jump in profit on higher passenger revenue. United Parcel Service rallied 6.2% after the shipper raised its …
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