Intel, the world’s biggest computer chipmaker, is being investigated by New York Attorney General Andrew Cuomo over whether it broke anti-trust laws.
Mr Cuomo is looking into claims that Intel stopped customers from dealing with rival Advanced Micro Devices.
Intel has cut prices and tried to boost efficiency as AMD has made efforts to become the world’s top producer
Unions representing workers at United Airlines have reacted with anger to the US carrier’s plans to pay a $250m (£123m) dividend to its shareholders.
Thousands of staff took pay cuts to help the airline rebuild its finances after it went into bankruptcy in the aftermath of the 9/11 attacks.
Union officials said the investor payout betrayed the efforts of staff to revive the airline’s reputation
The Brazilian headquarters of computer network equipment maker Cisco Systems has been raided as part of an investigation into tax evasion.
Authorities believe the unit may have imported $500m worth of equipment over the past five years without properly paying import duties.
The firm said its Sao Paulo and Rio de Janeiro offices had been temporarily closed and some staff detained
In 2005 United Airlines terminated its employee pension plans, creating the single largest corporate pension default in U.S. history
US drugmaker Bristol-Myers Squibb and a subsidiary have agreed to pay more than $515m (£251.7m) to settle allegations of marketing certain drugs illegally.
The fines issued by the US Department of Justice mark the end of a probe into the firm’s drug pricing practices that began a number of years ago
Microsoft has lost its appeal against a record 497m euro (£343m; $690m) fine imposed by the European Commission in a long-running competition dispute.
The European Court of First Instance upheld the ruling that Microsoft had abused its dominant market position.
A probe concluded in 2004 that Microsoft was guilty of freezing out rivals in server software and products such as media players
Computer company Dell has said it will restate four year’s worth of accounts because figures were tweaked so that the firm could meet earnings targets.
Dell said that the changes would cut about $150m (£75m) from its net profit, less than many analysts had predicted.
An audit found that “certain adjustments appear to have been motivated by the objective of attaining financial targets”, Dell explained
Intel abused its dominant position in Europe by giving customers incentives to favour its products over those of its main competitor, regulators allege.
The initial findings of a probe by the European Commission has concluded the chip firm engaged in anti-competitive action to thwart principal rival AMD.
Regulators have the power to fine Intel up to 10% of annual turnover if they find it guilty of stifling competition
Joseph Nacchio, the former boss of Qwest Communications, has been sentenced to six years in jail for insider trading.
He has also been ordered to hand over the $52m (£25m) he made from illegal stock trading and has been fined $19m.
Nacchio was found guilty of selling shares ahead of bad corporate news, and hiding information from investors
Nigeria has accused Pfizer of fraud in a fresh court case filed against the drugs firm over its alleged role in the deaths of Nigerian children.
The government earlier withdrew the case – just as it was due to begin in the capital Abuja – to add new charges.
The government is seeking $7bn (£3