NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

Barrick Gold

(ABX)

was downgraded at Stifel Nicolaus to hold from buy. Company will be hurt by lower gold prices, Stifel Nicolaus said.

Addvantage Technologies

(AEY) - Get Report

was downgraded to hold at TheStreet Ratings.

Acuity Brands

(AYI) - Get Report

was downgraded at Canaccord Genuity to hold. $78 price target. Company still exhibits strong fundamentals and rising market share, but has reached its valuation limit, Canaccord Genuity said.

Convergys

(CVG)

was upgraded at Goldman Sachs to neutral from sell. $18 price target. Company can expand its margins, Goldman said.

Quest Diagnostics

(DGX) - Get Report

was downgraded at Morgan Stanley to underweight from equal-weight. Price target is $58. Cuts to physician fee schedule will negatively impact future earnings, Morgan Stanley said.

Read: Kass: Housing Faces a Credit Event

Glatfelter

(GLT) - Get Report

was downgraded at Deutsche Bank to hold from buy. Valuation call, based on a $26 price target, Deutsche said.

Gentex

(GNTX) - Get Report

was downgraded at Robert Baird to neutral from outperform. Valuation call, Baird said.

Helmerich & Payne

(HP) - Get Report

was downgraded at Jefferies to hold from buy. $71 price target. Industry will likely face higher CapEx budgets, Jefferies said.

Hill-Rom Holdings

(HRC) - Get Report

was downgraded at Goldman Sachs to neutral from buy. $36 price target. Thesis will take longer to materialize than initially anticipated, Goldman said.

Fresh Market

(TFM)

was upgraded to buy at TheStreet Ratings.

IBM

(IBM) - Get Report

was downgraded at Goldman Sachs to neutral from buy. $200 price target. Key markets may face increased pressure in the coming quarters, Goldman said.

Read: Amarin's Stock Sale Helps Shorts Cover Winning Trade

Intuitive Surgical

(ISRG) - Get Report

was downgraded at Goldman Sachs to neutral from buy. $500 price target. Following preannouncement, upside case increasingly challenged, Goldman said.

Intuitive Surgical was downgraded at Canaccord Genuity to hold. $444 price target. Confusion concerning contractions in ISRG's system placement business have widened disparity amongst consensus estimates, Canaccord Genuity said.

Intuitive Surgical was downgraded at JMP Securities to market perform after failing to meet second-quarter estimates. Future estimates were also lowered.

Kapstone Paper

(KS)

was downgraded at Deutsche Bank to sell from hold. $38 price target. Valuation call, as the company trades at a premium to its peers, Deutsche Bank said.

MB Financial

(MBFI) - Get Report

was downgraded at D.A. Davidson to neutral from buy. Price target is $30. Share price is within 5% of price target, and there have been no additional catalysts, D.A. Davidson said.

Prosperity Bancshares

(PB) - Get Report

was upgraded at Oppenheimer to perform from underperform. Company should benefit from rising interest rates, Oppenheimer said.

Signature Bank

(SBNY) - Get Report

was upgraded at Oppenheimer to perform from underperform. Company has a unique growth model and should benefit from higher interest rates, Oppenheimer said.

Read: The Bank Account Takeover Epidemic

Synchronoss

(SNCR) - Get Report

was downgraded at Goldman Sachs to sell from neutral. $27 price target. Expect limited adoption of personal cloud services in the coming months, Goldman Sachs said.

Ixia

(XXIA)

was downgraded at Stifel Nicolaus to hold from buy. Company cut is sales guidance, said Stifel Nicolaus.

STOCK COMMENTS/EPS CHANGES

Alnylam

(ALNY) - Get Report

estimates, price target were increased at JMP Securities. Estimates were raised through 2014. Expect an upbeat analyst meeting later this week, said JMP Securities. Outperform rating and new $44 price target.

Comerica

(CMA) - Get Report

numbers were increased at Sterne Agee. Shares are now seen reaching $40. Estimates were also increased to reflect the change in forward LIBOR curve, Sterne Agee said. Neutral rating.

Google

(GOOG) - Get Report

price target was boosted at Deutsche Bank. Shares are now seen reaching $1,010. Company appears to be firing on all cylinders, Deutsche said. Buy rating.

Interpublic Group

(IPG) - Get Report

numbers were raised at UBS. Shares are now seen reaching $17. Estimates were increased on a fixed balance sheet. Buy rating.

Nordstrom

(JWN) - Get Report

numbers were raised at KeyBanc. Shares are now seen reaching $70. Estimates were also increased following upbeat meetings with management, Keybanc said. Buy rating.

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This article was written by a staff member of TheStreet.