Microsoft mulling Dell stake?

Microsoft (MSFT) is in talks with CEO Michael Dell and private equity firm, Silver Lake, on taking Dell private, according to multiple reports. Microsoft is said to be considering a $1 bil-$3 bil investment. Silver Lake and Dell are negotiating a price around $13.50-$14.25 a share. Dell has long been a major user of Microsoft's Windows operating system. Dell shares rose 2.2% to 13.12 after soaring 18% last week. Microsoft shares fell 0.4%.