Stocks were trying to make a day-two recovery move on Tuesday after last week’s sell-off. For the better part of the past two and a half years, investors regularly have bought the dips and pullbacks. 24/7 Wall St. reviews dozens of analyst research reports each morning. The goal is to find new investment and trading ideas for our readers. Some analyst calls cover stocks to buy, while other calls cover stocks to sell or avoid.

These are this Tuesday’s top analyst upgrades, downgrades and initiations.

Bank of Ireland (NYSE: IRE) was raised to Buy from Hold at Deutsche Bank.

Barclays PLC (NYSE: BCS) was raised to Overweight from Equal Weight at Morgan Stanley.

Caterpillar Inc. (NYSE: CAT) was downgraded to Hold from Buy, but it was maintained as a Long-Term Buy, at Argus based on the weaker outlook.

EMC Corp. (NYSE: EMC) was raised to Outperform from Neutral with a $30 price target (versus a $26.43 close) at Macquarie.

JD.com Inc. (NASDAQ: JD) was started as Outperform with a $35 price target (versus a $25.48 close) at Credit Suisse.

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LinkedIn Corp. (NYSE: LNKD) was maintained as Buy but was added to the prized Conviction Buy List at Goldman Sachs. Its price target was also raised to $280 from $250 in the call.

Stratasys Ltd. (NASDAQ: SSYS) issued an earnings warning and shares of the 3D printing player were indicated down 25% at $59.75 in premarket trading — a possible new 52-week low. The stock has been downgraded to Neutral from Overweight at Piper Jaffray, and to Hold at Brean Capital. Canaccord Genuity maintained its Buy rating but cut the price target to $100 from $120.

Other key analyst upgrades, downgrades and initiations seen on Tuesday morning were as follows: