Tech Stocks Rise; Blue Chips Struggle  NEW YORK (Reuters) - U.S. technology stocks rose on  Thursday as profits from eBay Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=EBAY.O target=/stocks/quickinfo/fullquote"&gt;EBAY.O&lt;/A&gt;, the world's  largest online market place, helped lift the Nasdaq.