Before-the-Bell: Taser, Oracle Rise  NEW YORK (Reuters) - Taser International Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=TASR.O target=/stocks/quickinfo/fullquote"&gt;TASR.O&lt;/A&gt;  shares were up more than 6 percent in premarket trading on  Tuesday after the stun gun maker said it had received orders  totaling more than \$1 million.