text: China Rules in Favor of Corning  NEW YORK (Reuters) - Corning Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=GLW.N target=/stocks/quickinfo/fullquote"&gt;GLW.N&lt;/A&gt; said on Monday  the Chinese Ministry of Commerce ruled that the company had not  dumped standard single-mode optical fiber into the Chinese  market.