Editor's Note: Green and red arrows refer to intraday stock price movement.

NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

Altera

(ALTR) - Get Report

upgraded at BMO from Underperform to Market Perform. Valuation call.

Altera

(ALTR) - Get Report

estimates, target upped at UBS. ALTR estimates were boosted through 2012, UBS said. Company guided to higher sales and margins. Buy rating and new $42.50 price target.

BP

(BP) - Get Report

downgraded at Collins Stewart to Hold from Buy. Valuation call.

CSX

(CSX) - Get Report

upgraded at Wells from Market Perform to Outperform. Company has improved earnings visibility.

Quest Diagnostics

(DGX) - Get Report

upgraded at RBC from Sector Perform to Outperform. $66 price target. Valuation call, as the company can return to double-digit annual earnings growth.

Quest Diagnostics

(DGX) - Get Report

upgraded at Jefferies from Hold to Buy. $67 price target. Margins should improve as the company's volume recovery accelerates.

Intel

(INTC) - Get Report

upgraded at BMO from Market Perform to Outperform. Valuation call. $27 price target.

Marathon Oil

(MRO) - Get Report

upgraded at Morgan Stanley from Equal-weight to Overweight, Morgan Stanley said. $50 price target.

Occidental Petroleum

(OXY) - Get Report

downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. $110 price target.

Scotts Miracle-Gro

(SMG) - Get Report

rated new Outperform at RBC. Coverage of SMG was started with an Outperform rating, RBC Capital said. $60 price target. Company can generate solid cash flow over the coming years.

Swift Transportation

(SWFT)

rated new Equal-weight at Morgan Stanley. Stock is already pricing in the upcoming business cycle.

Swift Transportation

(SWFT)

rated new Outperform at Baird. $18 price target. Company has significant earnings potential in the current cycle.

Tellabs

( TLAB) estimates, target lowered at Goldman. Shares of TLAB now seen reaching $6, according to Goldman Sachs. Estimates also reduced, as the company is losing market share to ALU. Neutral rating.

Xilinx

(XLNX) - Get Report

upgraded at BMO from Underperform to Outperform, BMO Capital said. Company has attractive secular growth potential.

This article was written by a staff member of TheStreet.