HP Pressured to Sell PC Business After IBM Deal  SEATTLE (Reuters) - Hewlett-Packard Co. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=HPQ.N qtype=sym infotype=info qcat=news"&gt;HPQ.N&lt;/A&gt; will be  under pressure to sell its personal computer business after  IBM's decision to sell its PC operations to China's top PC  manufacturer, but analysts said the No. 2 computer maker would  hold on to its \$25 billion PC division for now.