NEW YORK (TheStreet) -- RATINGS CHANGES
Chevron (CVX - Get Report) was upgraded to buy from hold by Societe Generale, which cited valuation, based on a 12-month price target of $115. Chevron also offers an attractive 4.3% dividend yield, Societe Generale said.
Questar (STR) was upgraded to buy by Jefferies, which said the stock has lagged its peers and the company is attractively valued, based on a $25 price target.
Southwest Gas (SWX - Get Report) was upgraded to buy by Jefferies, which set a 12-month price target of $60. The stock has lagged its peers, but profit should recover in the second half of the year, Jefferies said.