Sluggish Global Sales Trim Coke Profit  ATLANTA (Reuters) - Coca-Cola Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=KO.N target=/stocks/quickinfo/fullquote"&gt;KO.N&lt;/A&gt; on Thursday  reported a sharp drop in quarterly net income due to weak sales  of its soft drinks, juices and bottled waters in Germany and  other key markets.