IBM Gives Shanghai a Real Surprise It's like Big Blue realized everyone's secret dream: lose weight and make money at the same time. But its \$1.75 billion sale of its PC business to a Chinese company portends big changes for the international technology game board. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-washingtonpost.com&lt;/b&gt;&lt;/font&gt;