Seagate Hikes Profit, Sales Outlook  SEATTLE (Reuters) - Seagate Technology &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=STX.N target=/stocks/quickinfo/fullquote"&gt;STX.N&lt;/A&gt; on Tuesday  raised its quarterly revenue and profit forecasts for the  December quarter on strong seasonal demand for newer products,  surpassing analysts' forecasts and sending its shares up more  than 12 percent.