Earnings roundup: AT&T, DuPont

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NEW YORK (AP) AT&T said Tuesday its first-quarter earnings rose 22 percent as its wireless division saw continued strong growth and the enterprise services division reversed a declining trend.

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DOVER, Del. (AP) Chemicals company DuPont said Tuesday that profits increased 26 percent in the first quarter, boosted in part by higher selling prices and the weak dollar.

NEW YORK (AP) JetBlue Airways Corp. reported a narrower than expected first-quarter loss as slower growth helped the discount airline keep a lid on its costs despite skyrocketing fuel prices.

DALLAS (AP) Kimberly-Clark Corp., facing higher prices for the raw materials it needs to make tissues and diapers, said Tuesday that its first-quarter profit slipped 2.5 percent despite an increase in sales.

CINCINNATI (AP) AK Steel Holding Corp. said Tuesday that its first-quarter profits beat Wall Street estimates, rising 60 percent from a year ago when the integrated steelmaker was in the final three months of a yearlong lockout at its main plant.

CHICAGO (AP) Options and futures trading platform provider optionsXpress Holdings Inc. said Tuesday its first-quarter profit increased 12 percent as average daily trading volume and the number of customer accounts rose.