Yahoo unveiled on Thursday its fourth reorganization in the last 18 months as the embattled company seeks to focus on independent strategy after rebuffing Microsoft’s takeover bid.

The new pan-European system, to be created by the London exchange in partnership with Lehmen Brothers, will be a platform for so-called dark liquidity pool trading.

Hexion agreed to buy Huntsman Chemical for $10.6 billion, or $28 a share. But Hexion called it off, and the lawsuits started flying.

Wall Street took a sharp plunge, with the Dow down by more than 300 points, after a report on the prospects of the nation’s biggest brokerage firms.

The European Union reached a landmark agreement Thursday to cap emissions from aircraft, raising the stakes in a battle with the United States over how to regulate greenhouse gases.

Icann voted to permit the introduction of new Web addresses ending in words like .paris, .perfume and .sports, making the most sweeping changes in the network’s 25-year-old addressing system.

Yahoo unveiled on Thursday its fourth reorganization in the last 18 months as the embattled company seeks to focus on independent strategy after rebuffing Microsoft’s takeover bid.

Yahoo unveiled on Thursday its fourth reorganization in the last 18 months as the embattled company seeks to focus on independent strategy after rebuffing Microsoft’s takeover bid.

New online services have quietly begun testing ways for travelers to leverage unused miles.

InBev said it had filed a lawsuit in Delaware seeking to confirm that Anheuser shareholders can remove without cause all 13 board members.