NEW YORK ( TheStreet) -TheStreet Ratings' stock model upgraded Hexcel Corp ( HXL) to 'Buy' from 'Hold'. Net income at this $1.9 billion market cap, aerospace composites company grew by 302% to a profit of $22.9 million compared to in the prior fourth quarter.

TheStreet Ratings released rating changes on 12 U.S. common stocks for April 20, 2011. In total, six stocks were upgraded and six stocks were downgraded by our stock model.

In the fourth quarter, Hexcel reported $311 million in revenue, an increase of 16.7% compared to the year earlier quarter. Learn more about Hexcel: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

$3.1 billion market cap, methanol company, Methanex Corp ( MEOH) was upgraded by our stock model to 'Buy' from 'Hold'. In fourth quarter results, Methanex reported a net income of $27.9 million, up 8.4% from the year earlier quarter. Over the same time period, revenue gained 49.4% to $570 million. Learn more about Methanex: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

-- 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 equity and mutual fund ratings. 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.