Google Soars, Shorts Scramble to Cover  CHICAGO/SAN FRANCISCO (Reuters) - Shares of 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; hit a new high on Monday as traders who had shorted  the stock scrambled to buy back scarce shares after the Web  search leader's better-than-expected quarterly results last  week.