Stocks Up on PeopleSoft Deal, Retail Data  NEW YORK (Reuters) - U.S. stocks rose on Monday after  software maker 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; accepted rival Oracle  Corp.'s &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ORCL.O target=/stocks/quickinfo/fullquote"&gt;ORCL.O&lt;/A&gt; buyout offer and a government report showed  better-than-expected retail sales in November, signaling an  uptick in consumer spending.