NEW YORK (

TheStreet

) -TheStreet Ratings' stock model upgraded

John Bean Technologies

(JBT) - Get Report

to 'Buy' from 'Hold'. Net income at this $530 million market cap, food processing company popped by 47.7% to a profit of $15.8 million compared to the prior fourth quarter.

TheStreet Ratings released rating changes on seven U.S. common stocks for March 24, 2011. In total, four stocks were upgraded and three stocks were downgraded by our stock model.

In the fourth quarter, John Bean Technologies reported $287 million in revenue, an increase of 16.5% compared to the year earlier quarter. Learn more about John Bean Technologies:

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$421 million market cap, apparel retailer,

Talbots Inc

(TLB)

was downgraded to 'Sell' from 'Hold'. In fourth quarter results, Talbots' bottom line flipped to a loss of $2.8 million from a profit of $4.1 million in the year earlier quarter. Over the same time period, revenue dipped by 7.4% to $293 million. Learn more about Talbots:

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-- Reported by Kevin Baker in Jupiter, FL.

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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.