Wall Street turned in a mixed performance Tuesday after a fresh report on retail sales and a new oil price record told investors the same old story: The economy is hurting and costs are rising, but things could be worse.

An aviation company is poised to invest as much as $600 million in the Global TransPark, breathing life into a business park long criticized as a boondoggle.

Investors will look to consumers for clues about the economy when the world's largest retailer posts results, and the Commerce Department releases April retail sales data.

Business Briefs:Hewlett-Packard is negotiating to acquire Plano, Texas-based Electronic Data Systems in a deal that some estimate could be worth $13 billion.

Business Briefs:Southwest Airlines says it borrowed $600 million from Citibank and seven European banks to bolster its cash position.

Business Briefs:Negotiators for American Axle and Manufacturing Holdings and striking United Auto Workers made some progress in weekend bargaining.

Two decades from now Americans could get as much electricity from windmills as from nuclear power plants, according to a government report that lays out a possible plan for wind energy growth.

A roundup of personnel moves in area businesses.

Wachovia says federal and state regulators are demanding information from its securities unit and affiliates about auction-rate securities.

More market fluctuation is expected as investors watch the economy's direction.

Tribune is selling the paper for $650 million but needs more revenue to cover debts.