NEW YORK (

TheStreet

) -- Shares of the following stocks received upgrades to buy from

TheStreet Ratings

last week:

Goldman Sachs

(GS) - Get Report

,

Northern Trust

(NTRS) - Get Report

,

Greif

(GEF) - Get Report

,

Select Medical Holdings

(SEM) - Get Report

,

Smart Balance

( SMBL),

Assured Guaranty

(AGO) - Get Report

,

Mantech International

(MANT) - Get Report

,

MetroPCS

(PCS)

,

Royal Caribbean

(RCL) - Get Report

,

International Bancshares

(IBOC) - Get Report

,

AES

(AES) - Get Report

,

AmeriGas Partners

(APU) - Get Report

,

Plains Exploration & Production

(PXP)

,

Lear

(LEA) - Get Report

,

Covanta Holding

(CVA) - Get Report

,

Stone Energy

(SGY)

,

Alleghany

(Y) - Get Report

,

W&T Offshore

(WTI) - Get Report

,

Swift Energy

(SFY) - Get Report

,

Pebblebrook Hotel

(PEB) - Get Report

,

Mobile Telesystems

(MBT) - Get Report

and

Susquehanna Bancshares

(SUSQ)

.

Goldman Sachs

The financial services firm was upgraded to

buy from hold

by

TheStreet Ratings

on Friday.

TheStreet Ratings

gives Goldman Sachs a B- grade with

$132.99

price target. The stock closed Friday at $119.96 and has risen 32.66% year to date.

Northern Trust

The investment management company was upgraded to

buy from hold

by

TheStreet Ratings

on Friday.

TheStreet Ratings

gives Northern Trust a B grade with

$51.29

price target. The stock closed Friday at $44.93 and has risen 13.29% year to date.

Greif

The industrial containers company was upgraded to

buy from hold

by

TheStreet Ratings

on Friday.

TheStreet Ratings

gives Greif a B- grade with

$59.15

price target. The stock closed Friday at $49.09 and has risen 7.77% year to date.

Select Medical Holdings

The outpatient rehabilitation clinic operator was upgraded to

buy from hold

by

TheStreet Ratings

on Thursday.

TheStreet Ratings

gives Select Medical Holdings a B- grade with a

$11.06

price target. The stock closed Friday at $8.31 and has fallen 2% year to date.

Smart Balance

The food products company was upgraded to

buy from hold

by

TheStreet Ratings

on Thursday.

TheStreet Ratings

gives Smart Balance a B- grade and

$7.86

price target. The stock closed Friday at $6 and has risen 11.94% year to date.

Assured Guaranty

The credit protection company was upgraded to

buy from hold

by

TheStreet Ratings

on Thursday.

TheStreet Ratings

gives Assured Guaranty a B- grade and a

$19.80

price target. The stock closed Friday at $17.33 and has risen 31.89% year to date.

Mantech International

The national security company was upgraded to

buy from hold

by

TheStreet Ratings

on Thursday.

TheStreet Ratings

gives Mantech International a B grade and a

$39.69

price target. The stock closed Friday at $33.45 and has risen 7.07% year to date.

MetroPCS

The telecommunications company was upgraded to

buy from hold

by

TheStreet Ratings

on Wednesday.

TheStreet Ratings

gives MetroPCS a B- grade and a

$13.66

price target. The stock closed Friday at $10.56 and has risen 21.66% year to date.

Royal Caribbean

The cruise company was upgraded to

buy from hold

by

TheStreet Ratings

on Wednesday.

TheStreet Ratings

gives Royal Caribbean a B- grade and a

$32.42

price target. The stock closed Friday at $28.07 and has risen 13.32% year to date.

International Bancshares

The bank was upgraded to

buy from hold

by

TheStreet Ratings

on Wednesday.

TheStreet Ratings

gives International Bancshares a B grade and a

$22.06

price target. The stock closed Friday at $18.82 and the stock has risen 2.65% year to date.

AES

The power company was upgraded to

buy from hold

by

TheStreet Ratings

on Wednesday.

TheStreet Ratings

gives AES a B grade and a

$15.82

price target. The stock closed Friday at $13.49 and has risen 13.49% year to date.

AmeriGas Partners

The propane gas company was upgraded to

buy from hold

by

TheStreet Ratings

on Wednesday.

TheStreet Ratings

gives AmeriGas Partners a B grade and

$53.19

price target. The stock closed Friday at $44.60 and has fallen 2.85% year to date.

Pebblebrook Hotel

The real estate investment trust was upgraded to

buy from hold

by

TheStreet Ratings

on Tuesday.

TheStreet Ratings

gives Pebblebrook Hotel a B- grade and

$25.43

price target. The stock closed Friday at $21.15 and has risen 10.27% year to date.

Stone Energy

The oil and natural gas company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Stone Energy a B grade with a

$44.87

price target. The stock closed Friday at $31.24 and has risen 18.42% year to date.

Susquehanna Bancshares

The financial services company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Susquehanna Bancshares a B- grade with

$10.93

price target. The stock closed Friday at $9.01 and has risen 7.52% year to date.

Plains Exploration & Production

The independent oil and natural gas company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Plains Exploration & Production a B grade and

$53.56

price target. The stock closed Friday at $44.79 and has risen 21.98% year to date.

Lear

The car parts company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Lear a B- grade and a

$52.83

price target. The stock closed Friday at $46.43 and has risen 16.66% year to date.

Covanta Holding

The waste and energy services company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Covanta Holding a B grade and

$19.16

price target. The stock closed Friday at $16.00 and the stock has risen 16.87% year to date.

Alleghany

The property and casualty insurance company was upgrade to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Alleghany a B grade and

$349.42

price target. The stock closed Friday at $328.50 and has risen 15.15% year to date.

W&T Offshore

The oil and natural gas company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives W&T Offshore a a B grade and a

$30.41

price target. The stock closed Friday at $23.27 and has risen 9.71% year to date.

Mobile Telesystems OJSC

The telecommunications company was upgraded to

buy from hold

by

TheStreet Ratings

last Monday.

TheStreet Ratings

gives Mobile Telesystems OJSC a B- grade and a

$20.76

price target. The stock closed Friday at $18.59 and has risen 26.63% year to date.

-- Written by Alexandra Zendrian

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