Stocks Slip on Oil, Microsoft Forecast  NEW YORK (Reuters) - U.S. stocks fell on Friday as oil  prices touched another record high and Microsoft Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=MSFT.O target=/stocks/quickinfo/fullquote"&gt;MSFT.O&lt;/A&gt;  dragged on the major indexes after the software maker's revenue  forecast lagged analysts' expectations.