Jennifer B Klemm

Video game publisher Electronic Arts sued Zynga on Friday, accusing the social gaming company of copying key elements of EA's 'The Sims Social' game in Zynga's 'The Ville.'

TOP STORIES Anglo American, Codelco Close to Sealing Chile Sur Deal - Report Anglo American PLC (AAKUY, AAL.LN) and Chilean state copper-mining company Codelco are close to reaching an agreement over the contested Sur property and a deal could be ready by or on Aug. 17, La Tercera newspaper

Health Net Inc. (HNT) posted higher second-quarter earnings after selling a business unit, but the company once again slashed its full-year guidance as high health-care costs hurt results in its core health-insurance businesses.

Securities and Exchange Commission Chairman Mary Schapiro on Friday said that while the erroneous trading at Knight Capital Group Inc. leading to a $440 million loss is "unacceptable," the agency has taken steps recently to limit its impact.

Crude-oil futures on Friday ended at their highest in two weeks, as optimism permeated nearly all markets after positive U.S. data on jobs and the services industry.

The Treasury Department on Friday said it plans to sell $4.5 billion in American International Group Inc. (AIG) shares, continuing the process of winding down financial-crisis programs first launched almost four years ago.

Shares of Knight Capital Group Inc. soared 65% in afternoon trading after TD Ameritrade Holding Corp. said it will resume routing client trades to Knight in a sign that customer confidence in the Jersey City-based market-making firm is returning.

Shares of Sequenom Inc. were up 14% at $3.12 on Friday in the wake of several sizable stock purchases by company officers and directors, including Sequenom's chief executive officer and chief financial officer.

Knight Capital Group told brokers on Friday that it has received a badly-needed line of credit, raising hopes the embattled firm can survive the weekend without a bankruptcy filing.

The Treasury Department revealed plans to sell off $4.5 billion of common shares in American International Group as the U.S. government continues to pare its stake in the bailed-out insurer.