NEW YORK ( TheStreet) -TheStreet Ratings' stock model upgraded General Electric Co ( GE) to 'Buy' from 'Hold'. Net income at this $210.3 billion market cap, conglomerate jumped 50.5% to a profit of $4.5 billion in the fourth quarter compared to the year earlier quarter.

TheStreet Ratings released rating changes on six U.S. common stocks for January 21, 2011. In total, four stocks were upgraded and two stocks were downgraded by our stock model.

In the fourth quarter, General Electric reported $41 billion in revenue, a decrease of 0.7% compared to the year earlier quarter. TheStreet Senior Banking Analyst Philip van Doorn identified the key to understanding GE's earnings and highlights earnings by segment in his recent article.

Learn more about General Electric: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

$52.6 billion market cap, aerospace company, Boeing Co ( BA) was upgraded to 'Buy' from 'Hold'. In third quarter results, Boeing turned in a profit of $837 million compared to a loss of $1.6 billion in the year earlier quarter. Over the same time period, revenue grew by 1.7% to $17.0 billion. Learn more about Boeing: 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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