NEW YORK ( TheStreet) -TheStreet Ratings' stock model upgraded Ferrellgas Partners LP ( FGP) to 'Buy' from 'Hold'. Net loss at this $1.9 billion market cap, propane distributor contracted to $28 million in fiscal first quarter compared to a loss of $32.7 million in the year earlier quarter.

TheStreet Ratings released rating changes on eight U.S. common stocks for January 14, 2011. In total, seven stocks were upgraded and one stock was downgraded by our stock model.

In the fiscal first quarter, Ferrellgas Partners LP reported $400.2 million in revenue, an increase of 13.7% over the year earlier quarter. Learn more about Ferrellgas Partners LP: Company Profile, Income Statement, Balance Sheet, Stock Ratios, Analyst Ratings.

$698 million market cap, oil & gas driller, Basic Energy Services Inc ( BAS) was upgraded to 'Hold' from 'Sell'. In third quarter results, Basic Energy Services loss decreased to $9.3 million from $25.3 million on a 57.9% gain in revenue to $197.3 million when compared to the year earlier quarter. Learn more about Basic Energy Services: 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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