24/7 Wall St.

Stocks were selling off Monday morning. The one trend that has held true for three years now is that investors keep buying their favorite stocks every time the market sells off. 24/7 Wall St. reviews dozens of analyst research reports daily to find new trading or investment ideas for its readers. Some analyst calls cover stocks to buy, but other reports cover stocks to sell or to avoid.

These are this Monday’s top analyst upgrades and downgrades.

Advance Auto Parts Inc. (NYSE: AAP) was maintained as Buy with a $165 price target (versus a $143.98 close) at Sterne Agee. The firm’s note says that the pullback brings a buying opportunity.

CONSOL Energy Inc. (NYSE: CNX) was downgraded to Hold from Buy with a price target of $31.00 at Deutsche Bank.

Consolidated Water Co. Ltd. (NASDAQ: CWCO) was resumed with a Buy rating and price target of $14.00 at Janney Capital Markets.

Garmin Ltd. (NASDAQ: GRMN) was downgraded to Sell from Buy with a $42 price target (versus a $46.49 close) at Citigroup. As a reminder, late last week we also saw Goldman Sachs cut its rating to Neutral from Buy.

Harris Corp. (NYSE: HRS) was raised to Equal Weight from Underweight at Barclays.

Hill-Rom Holdings Inc. (NYSE: HRC) was raised to Buy from Neutral with a $57 price target (versus a $48.73 close) at Bank of America Merrill Lynch.

ALSO READ: 4 Fresh Biotech Stock Picks With Targets 50% to 100% Higher

IMAX Corp. (NYSE: IMAX) was raised to Buy from Hold at Canaccord Genuity. IMAX was also started as Outperform at Macquarie last week.

Lumber Liquidators Inc. (NYSE: LL) was raised to Outperform from Market Perform at Raymond James, with a $40 price target (versus a $33.20 close).

Mattel Inc. (NASDAQ: MAT) was raised to Buy from Neutral at B. Riley.

McDonald’s Corp. (NYSE: MCD) was maintained as Outperform at RBC Capital Markets, but the firm lowered its price target to $110 from $115 based on a negative start for the U.S. turnaround.

Microsoft Corp. (NASDAQ: MSFT) was raised to Outperform from Market Perform with a valuation range of $46 to $50 (versus a $40.29 close) at Wells Fargo. The firm said that the consensus estimates clearly need to come down, but it also believes the battered shares already reflect one last round of EPS reductions.

NRG Energy Inc. (NYSE: NRG) was reiterated as Buy with a $27 price objective at Merrill Lynch. The firm sees investors getting NYLD add-in value for almost free.

Priceline Group Inc. (NASDAQ: PCLN) was started as Buy and was given a price target of $1,480 (versus a $1,160.44 close) at Argus. The firm sees it favorably valued at 16.5 times its 2016 EPS estimate.

SAP A.G. (NYSE: SAP) was downgraded to Underperform from market Perform at Wells Fargo.

Splunk Inc. (NASDAQ: SPLK) was raised to Overweight from Equal Weight with a $70 price target (versus a $59.23 close) at Stephens.

TripAdvisor Inc. (NASDAQ: TRIP) was downgraded to Hold from Buy at Needham.

Wayfair Inc. (NYSE: W) was reiterated as Buy and the price target was raised to $44 from $37 (versus a $30.81 close) at Janney Capital Markets. The firm sees online category trends as robust and a seasonally strong first quarter.

Western Union Co. (NYSE: WU) was downgraded to Neutral from Positive at Susquehanna.

ALSO READ: 6 Large Oil and Gas Stocks Analysts Want Investors to Buy

Windstream Holdings Inc. (NASDAQ: WIN) was reiterated as Buy with $10 price objective at Merrill Lynch. The firm said that the implied value for Communications Sales & Leasing means investors are getting the Windstream OpCo at or nearly free.

Zillow Group Inc. (NASDAQ: Z) was downgraded to Equal Weight from Overweight at Barclays, and the price target was lowered to $105 from $140.

In case you missed last Thursday’s top analyst upgrades and downgrades, they included Garmin, IMAX, Micron Technology, Kimberly-Clark, Procter & Gamble and a dozen or so more stocks.