NEW YORK ( TheStreet Ratings) -- TheStreet Ratings' stock model upgraded Chicos FAS ( CHS) to 'Buy' from 'Hold'. Net income at this $2.6 billion market cap specialty retailer grew by 29.7% to a profit of $45.9 million compared to in the prior first quarter.

TheStreet Ratings released rating changes on 13 U.S. common stocks for May 18, 2011. In total, 11 stocks were upgraded and two stocks were downgraded by our stock model.

In the first quarter, Chicos FAS reported $537 million in revenue, an increase of 11.5% compared to the year earlier quarter. Learn more about Chicos FAS: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

$617 million market cap, Chinese travel agency, eLong Inc ADR ( LONG) was upgraded by our stock model to 'Buy' from 'Hold'. In first quarter results, eLong reported net profit of $1.2 million, up 35.4% from the year earlier quarter. Over the same time period, revenue gained 28.4% to $19.0 million. Learn more about eLong: 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.