Microsoft slips as $4 bln AI data center unveiled

** Microsoft MSFT.O slipping 0.2% after unveiling plans for $4 bln AI data center in Wisconsin, boosting state investment to $7 bln
** New facility to join $3.3 bln Mount Pleasant site, aims to house world’s most powerful AI supercomputer with Nvidia NVDA.O chips
** Co says initial data center on track to open next year, with total permanent jobs expected to reach 800 after expansion
** MSFT stock up about 21% YTD, outpacing Nasdaq .IXIC, which rose 17%
** Stock recently at 32x expected earnings, just above 5-yr avg forward PE of 30