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Investors frequently get to see the analyst upgrades and Buy ratings from Wall St. firms. They often do not get to see when analyst downgrade stocks to sell or to avoid. We review many fresh research calls each and every day to find great ideas from value stocks to growth stocks to dividend stocks and we have broken out the negative analyst calls today.

These are this Monday’s top analyst downgrades and cautious research notes from Wall St.

BreitBurn Energy Partners L.P. (NASDAQ: BBEP) was downgraded to Neutral from outperform at Baird.

Ecolab Inc. (NYSE: ECL) was downgraded to Neutral from Outperform at Baird.

Gannett Co. Inc. (NYSE: GCI) was downgraded to Underweight at from Equal Weight at Barclays.

Gold Fields Inc. (NYSE: GFI) was downgraded to Neutral from Overweight at HSBC.

JetBlue Airways Inc. (NASDAQ: JBLU) was downgraded to Neutral from Buy at Bank of America/Merrill Lynch.

Leap Wireless Inc. (NASDAQ: LEAP) was downgraded to Underweight from Neutral at J.P. Morgan.

NGL Energy Partners L.P. (NYSE: NGL) was downgraded to Neutral from Outperform at Baird.

Republic Services Inc. (NYSE: RSG) was downgraded to Neutral from Outperform at Credit Suisse.

Targa Resources Partners L.P. (NYSE: NGLS) was downgraded to Neutral from Outperform at Baird.

Union Pacific Co. (NYSE: UNP) was downgraded to Hold from Buy at TD Securities.

HSBC joined in as the latest firm to slash its gold and silver price targets. Gold was downgraded with a new target of $1,542 this year and down to $1,600 for 2014. Silver was cut down to $26 from $33 for this year and to $27 from $31 for 2014.

See also: Top Analyst Upgrades and Positive Calls