Traders Bet Oracle Wins in Antitrust Case  CHICAGO/SAN FRANCISCO (Reuters) - Options traders have been  building bullish positions in PeopleSoft Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=PSFT.O target=/stocks/quickinfo/fullquote"&gt;PSFT.O&lt;/A&gt; as  investors bet a federal judge will approve Oracle Corp.'s  hostile takeover bid of the business software maker, traders  said on Monday.