Sanction relates to 2009 order for Microsoft to provide Web browser choice
Microsoft acknowledged failure to provide browser choice in Windows 7 introduction
EU has had a series of disputes with Microsoft
Hackers appear not to have stolen data, Apple says
The two companies said ExxonMobil would receive rights to seven of the 12 Arctic fields Rosneft secured from the Russian government earlier this month.
Dell said a special committee of its board considered "an array of strategic alternatives" and had "retained a prominent management consultant to help it assess the company's strategic position."
Consumer-goods maker anticipates one-time after-tax loss of $120 million in the 2013 first quarter.
The letter from Southeastern said the deal "represents an opportunistically timed bid to take the company private at a valuation far below Dell's intrinsic value."