24/7 Wall St.

Stocks were indicated slightly lower on Tuesday after solid continued gains on Monday and Friday. Investors keep signaling with their investment money that they want to buy the dips. That trend is about four years old now, even if stocks had pulled back more than 10% from their highs this year.

24/7 Wall St. reviews dozens of analyst research reports each morning of the week to find new trading and investing ideas for our readers. Some of these daily analyst calls cover stocks to buy, and other calls cover stocks to sell or avoid. These are Tuesday’s top analyst upgrades, downgrades and initiations.

CBS Corp. (NYSE: CBS) was maintained as Buy at Topeka Capital Markets, but the price target was cut to $65 from $67 (versus a $41.64 prior close) in the call. CBS has a consensus analyst price target of $63.00 and a 52-week trading range of $38.51 to $63.95.

Cisco Systems Inc. (NASDAQ: CSCO) was started as Buy with a $30 price target (versus a $26.85 close) at Citigroup. Cisco has a consensus target price of $31.09 and a 52-week range of $22.49 to $30.31.

FedEx Corp. (NYSE: FDX) was raised to Buy from Hold with a $172 price target (versus a $149.92 close) at Stifel. FedEx has a consensus target price of $186.67 and a 52-week range of $130.13 to $185.19.

Illumina Inc. (NASDAQ: ILMN) was downgraded to Neutral from Buy at Mizuho Securities. It was also downgraded to Neutral from Buy at BTIG. Both cuts were after lowering sales guidance. Illumina was down 17% at $135.50 in early trading on Tuesday, versus a prior 52-week range of $145.12 to $242.37.

Twitter Inc. (NYSE: TWTR) was maintained as Overweight at Pacific Crest, but the firm lowered its price target to $40 from $52 (versus a $28.15 close) in the call.

ALSO READ: Gun Stocks React Sharply to Clinton Gun Control Plan

Comerica Inc. (NYSE: CMA) was downgraded to Neutral from Overweight and the price target was cut to $45 from $57 (versus a $42.35 close) at JPMorgan.

Other key analyst upgrades, downgrades and initiations were seen in the following companies this Tuesday:

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.