NEW YORK (

TheStreet

) -TheStreet Ratings' stock model upgraded

Silicom Ltd

(SILC) - Get Report

to 'Buy' from 'Hold'. Net income at this $102 million market cap, server connectivity company quadrupled rising 316% to $1.4 million in the third quarter over the same quarter last year.

TheStreet Ratings released rating changes on 17 U.S. common stocks for November 16, 2010. In total, five stocks were downgraded and 12 stocks have been upgraded by our stock model.

In the third quarter, gross revenue at Silicom Ltd rose by 59.1% to $7.4 million in the third quarter when compared to the same quarter last year. Learn more about Silicom Ltd:

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$78.7 billion market cap, integrated energy company,

Eni SpA

(E) - Get Report

was upgraded to 'Buy' from 'Hold'. In third quarter results, Eni SpA gross revenue increased by 21.5% to $37.1 billion while the company's bottom line improved by 45.1% to a profit of $2.9 billion compared the year earlier quarter. Learn more about Eni SpA:

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-- Reported by Kevin Baker in Jupiter, Fla.

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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.