text: Google Up in Market Debut After Bumpy IPO  NEW YORK/SEATTLE (Reuters) - 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; shares  made their long-awaited stock market debut on Thursday, rising  sharply to \$100 after an initial public offering marked by  missteps and lackluster market conditions.