Concho Resources Inc. (NYSE: CXO) was downgraded to Neutral from Buy at SunTrust Robinson Humphrey.

Cummins Inc. (NYSE: CMI) was downgraded to Market Perform from Outperform at BMO Capital Markets.

Fortune Brands Home & Security Inc. (NYSE: FBHS) was started as Buy at Goldman Sachs.

Interactive Brokers Group Inc. (NASDAQ: IBKR) was started as Neutral with a $44 price target at Goldman Sachs.

Linn Energy LLC (NASDAQ: LINE) was downgraded to Hold from Buy at Stifel.

Masco Corp. (NYSE: MAS) was started as Buy and on the Conviction Buy List at Goldman Sachs.

Mohawk Industries Inc. (NYSE: MHK) was started as Buy and on the Conviction Buy List at Goldman Sachs.

ALSO READ: 3 Deutsche Bank Oil Services Stock Picks With Over 100% Upside Potential

NII Holdings Inc. (NASDAQ: NIHD) was started as Underperform with a $4.50 price target (versus a $6.76 close) at Jefferies.

NuVasive Inc. (NASDAQ: NUVA) was raised to Buy from Hold and the price target was raised to $58 from $52 at Canaccord Genuity.

Owens Corning (NYSE: OC) was started as Sell at Goldman Sachs.

SBA Communications Corp. (NASDAQ: SBAC) was downgraded to Neutral from Buy at Macquarie.

Select Medical Corp. (NYSE: SEM) was raised to Outperform from Market Perform and the fair value range was raised to $19.00 to $22.00 from a prior range of $13.00 to $15.00 at Wells Fargo.

Telecom Italia S.p.A. (NYSE: TI) was downgraded to Underweight from Equal Weight at Barclays.

Thermo Fisher Scientific Inc. (NYSE: TMO) was started as Buy with a $145 price target at Argus.

Whirlpool Corp. (NYSE: WHR) was started as Neutral at Goldman Sachs.

ALSO READ: Merrill Lynch Gets Nervous: Buy Only High-Quality Stocks Now

In case you missed Monday’s top analyst upgrades and downgrades, they included AutoZone, Discover Financial Services, IBM, Microsoft, Twitter, Viacom, Wynn Resorts and about a dozen more.