Stocks Seen Little Changed, Oil Weighs  NEW YORK (Reuters) - Crude prices near record highs will  again mute any advance in U.S. stocks at the market's open on  Thursday, but investors will get a diversion as Google Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=GOOG.O target=/stocks/quickinfo/fullquote"&gt;GOOG.O&lt;/A&gt; begins trading after its initial public offering.