Northgate (NXG) (CMS) (EMR) (LDK) (NSRGY) Downgraded

Northgate Minerals Co. (NYSE: NXG), CMS Energy (NYSE: CMS), Emerson Electric Co. (NYSE: EMR), LDK Solar (NYSE: LDK) and Nestle (NASDAQ: NSRGY) downgraded by analysts.

Northgate Minerals Co. (NXG) was downgraded by Credit Suisse (NYSE:CS) from an “Outperform” rating to a “Neutral” rating.

CMS Energy (CMS) was downgraded by ISI Group to a “Hold” rating. They have a price target of $19.50 on the company.

Emerson Electric Co. (EMR) was downgraded by Argus from a “Buy” rating to a “Hold” rating.

LDK Solar (LDK) was downgraded by Wells Fargo & Co. (NYSE:WFC) from a “Market Perform” rating to an “Underperform” rating.

Nestle (NSRGY) was downgraded by Sanford C. Bernstein from an “Outperform” rating to a “Market Perform” rating.

Cameron (CAM) (CMS) (DAL) (EMC) (EXC) (HERO) Upgraded

Cameron (NYSE: CAM), CMS Energy (NYSE: CMS), Delta Air Lines (NYSE: DAL), EMC Corp. (NYSE: EMC), Exelon Co. (NYSE: EXC) and Hercules Offshore, Inc. (NASDAQ: HERO) upgraded by analysts.

Cameron (CAM) was upgraded by Credit Suisse (NYSE:CS) from a “Neutral” rating to an “Outperform” rating. They have a price target of $73.00 on the company.

CMS Energy (NYSE: CMS) was upgraded by SunTrust (NYSE:STI) from a “Neutral” rating to a “Buy” rating.

Delta Air Lines (DAL) was upgraded by Dahlman Rose from a “Hold” rating to a “Buy” rating. They have a price target of $10.00 on the company.

EMC Corp. (EMC) was upgraded by Oppenheimer from a “Perform” rating to an “Outperform” rating. They have a price target of $32.00 on the company.

Exelon Co. (EXC) was upgraded by UBS AG (NYSE:UBS) from a “Neutral” rating to a “Buy” rating. They have a price target of $50.00 on the company.

Hercules Offshore, Inc. (HERO) was upgraded by Raymond James (NYSE:RJF) from an “Underperform” rating to an “Outperform” rating.

Ratings on (ASEI) (CMS) (CVLT) (DRWI) (GBDC) Downgraded

Analysts downgraded their ratings on American Science And Engineering Incorporated (NASDAQ: ASEI), CMS Energy (NYSE: CMS), Commvault Systems (NASDAQ: CVLT), DragonWave Inc (NASDAQ: DRWI) and Golub Capital BDC LLC (NASDAQ: GBDC) today.

Benchmark Co. downgraded American Science And Engineering Incorporated (ASEI) from a “buy” rating to a “hold” rating.

SunTrust (NYSE:STI) downgraded CMS Energy (CMS) from a “buy” rating to a “neutral” rating.

Capstone downgraded Commvault Systems (CVLT) from a “hold” rating to a “sell” rating. They have a price target of $28.00 on the company.

TD Newcrest downgraded DragonWave Inc (DRWI) from a “buy” rating to a “hold” rating.

Wells Fargo & Co. (NYSE:WFC) downgraded Golub Capital BDC LLC (GBDC) from an “outperform” rating to a “market perform” rating.

Dividend Yields for (CMS) (XEL) (PCG) (NEE) (SRE)

Indicated dividend yields for Standard & Poor's 500 Index companies CMS Energy Corp (CMS), Xcel Energy Inc (XEL), PG&E Corp (PCG), NextEra Energy Inc (NEE) and Sempra Energy (SRE).

These dividend data indicate dividend yields of companies in the Standard & Poor's 500 Index as of Saturday, April 30. The yield is determined by taking the latest declared dividend, annualized and divided by the price of the stock. Payout ratios are calculated based on latest quarterly dividend paid divided by earnings.

CMS Energy Corp (CMS) has a dividend yield of 4.24 percent on a declared dividend of $0.21. The payout ratio is 39.8 percent.

Xcel Energy Inc (XEL) has a dividend yield of 4.15 percent on a declared dividend of $0.25. The payout ratio is 59.7 percent.

PG&E Corp (PCG) has a dividend yield of 3.95 percent on a declared dividend of $0.46. The payout ratio is 56.1 percent.

NextEra Energy Inc (NEE) has a dividend yield of 3.89 percent on a declared dividend of $0.55. The payout ratio is 79.3.

Sempra Energy (SRE) has a dividend yield of 3.49 percent on a declared dividend of $0.48. The payout ratio is 33.4 percent.

Advent (ADVS) (BRCM) (CMS) (HA) (ODP) Ratings Reiterated

Advent Software Inc (NASDAQ: ADVS), Broadcom Corp (NASDAQ: BRCM), CMS Energy (NYSE: CMS), Hawaiian Holdings, Inc. (NYSE: HA) and Office Depot, Inc. (NYSE: ODP) had their ratings reiterated on them by analysts.

JPMorgan Chase & Co. (NYSE:JPM) reiterated an “Underweight” rating on Advent Software Inc (ADVS).

Oppenheimer reiterated an “Outperform” rating on Broadcom Corp (BRCM). They have a price target of $55 on the stock. Broadcom got crushed in Wednesday trading after weak guidance. They closed at $35.45, plunging $4.96, or 12.27 percent.

Deutsche Bank (NYSE:DB) maintained a “Buy” rating on CMS Energy (CMS).

DA Davidson reiterated a “Hold” rating on Hawaiian Holdings, Inc. (HA).

Piper Jaffray reiterated a “Neutral” rating on Office Depot, Inc. (ODP). They have a price target of $5 on the company.