NEW YORK ( TheStreet) -TheStreet Ratings' stock model upgraded Hewlett-Packard Co ( HPQ) to 'Buy' from 'Hold'. Net income at this $96.8 billion market cap, computer company grew 5.2% to a profit of $2.5 billion in the fiscal four quarter compared to the same quarter last year.

TheStreet Ratings released rating changes on six U.S. common stocks for January 5, 2011. In total, six stocks were upgraded and no stocks were downgraded by our stock model.

In the fiscal fourth quarter, Hewlett-Packard reported $33.3 billion in revenue, an increase of 8.1% over the year earlier quarter. Learn more about Hewlett-Packard: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

$13 billion market cap, energy exploration and production company, Southwestern Energy Co ( SCHL) was upgraded to 'Buy' from 'Hold'. In third quarter results, Southwestern Energy reported a 35.9% increase in net income to $160.7 million and a 35.6% increase in revenue to $682.2 million when compared to the same quarter last year. Learn more about Southwestern Energy: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

-- Reported by Kevin Baker in Jupiter, FL.

For additional Investment Research check out our Ratings Research Center.

Kevin Baker became the senior financial analyst for TheStreet Ratings upon the August 2006 acquisition of Weiss Ratings by TheStreet.com, covering mutual funds. He joined the Weiss Group in 1997 as a banking and brokerage analyst. In 1999, he created the Weiss Group's first ratings to gauge the level of risk in U.S. equities. Baker received a B.S. degree in management from Rensselaer Polytechnic Institute and an M.B.A. with a finance specialization from Nova Southeastern University.

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