NEW YORK ( TheStreet) -TheStreet Ratings' stock model upgraded Alto Palermo SA ( APSA) to 'Buy' from 'Hold'. Net income at this $503 million market cap, Argentine mall company jumped 232% to a profit of $16 million in the fiscal first quarter of 2011 compared to the same quarter last year.

TheStreet Ratings released rating changes on eight U.S. common stocks for January 4, 2011. In total, six stocks were upgraded and two stocks were downgraded by our stock model.

In the fiscal first quarter, Alto Palermo reported $54 million in revenue, an increase of 32% over the year earlier quarter. Learn more about Alto Palermo: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

$937 million market cap, childhood educational publishing company, Scholastic Corp ( SCHL) was upgraded to 'Buy' from 'Hold'. In second quarter results, Scholastic Corp reported a 35% increase in net income to $74.9 million and a 2.4% increase in revenue to $675 million when compared to the same quarter last year. Learn more about Scholastic Corp: 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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