Stocks Near Flat, Starbucks, Techs Fall  NEW YORK (Reuters) - U.S. blue chips were near unchanged on  Thursday but technology stocks slipped, as a broker downgrade  on the semiconductor industry rattled investors, while  coffee-shop chain Starbucks &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=SBUX.O target=/stocks/quickinfo/fullquote"&gt;SBUX.O&lt;/A&gt; disappointed with slowing  growth.