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What has Wall Street been buzzing about this week? Here is a quick look at the top 5 Buy calls and the top 5 Sell calls made by Wall Street's best analysts during the trading week of Nov. 17-21, 2025. First, here are the top 5 Buy calls of the week.

1. Alphabet Upgraded to Buy at Loop Capital

Loop Capital upgraded Alphabet (GOOGL) to Buy from Hold with a price target of $320, up from $260. The firm retracts its concerns regarding the sustainability of the company's search revenue growth under artificial intelligence cannibalization, and transition risk is no longer a concern shared by investors.

Google's search results "remain as healthy as ever" while traffic share to Gemini has doubled year-over-year, and the position of Google Cloud and size of opportunity for its proprietary artificial intelligence processors "is becoming better appreciated," the analyst tells investors in a research note. Loop upgraded Alphabet after significantly raising its growth outlook for Google Cloud.

2. Nvidia Resumed With a Strong Buy at Raymond James 

Raymond James resumed coverage of Nvidia (NVDA) with a Strong Buy rating and a $272 price target. As the leader in accelerated and AI computing, the company benefits directly from a multi-year build-out of "AI factories" and data-center-scale platforms, the analyst tells investors in a research note.

With hundreds of millions of installed GPUs, more than six million developers, and deep integration into enterprise and sovereign AI initiatives worldwide, Nvidia is uniquely positioned at the center of what it calls the "AI industrial revolution," where data is the raw material and digital intelligence is the output, the firm added.

3. DoorDash Upgraded to Buy at Jefferies 

Jefferies upgraded DoorDash (DASH) to Buy from Hold with a price target of $260, up from $220. The company's 2026 outlook lowered expectations, which provides "flexibility" for both its long-term investments and upside to consensus estimates, the analyst tells investors in a research note.

The firm believes faster growth in U.S. restaurant delivery over the past four quarters warrant a more bullish stance on the growth runway for DoorDash's most profitable business. It upgraded the shares following the 20% selloff in the past 30 days. Jefferies believes the company's "strong execution and growth algorithm now appear underappreciated."

4. Carvana Resumed With a Buy at Deutsche Bank 

Deutsche Bank resumed coverage of Carvana (CVNA) with a Buy rating and a $395 price target. The company is entering a "Goldilocks scenario" where its fixed operating leverage will allow it to reinvest into its "market leading competitive moats" at a high rate, the firm tells investors in a research note.

Deutsche sees Carvana also delivering margin expansion ahead of current expectations. The firm sees online car adoption moving higher amid improved used car supply fundamentals and "modest pressures" on interest rates.

5. Flutter Entertainment Initiated With an Overweight at Wells Fargo 

Wells Fargo initiated coverage of Flutter Entertainment (FLUT) with an Overweight rating and a $272 price target. The firm sees a "compelling valuation" following the stock's recent selloff. Flutter provides exposure to a "high-quality" management team and "high-growth" U.S. digital markets, Wells tells investors in a research note.

Next, here are the top 5 Sell calls of the week.

1. HSBC Downgrades Palo Alto to Reduce on Decelerating Sales Growth 

HSBC downgraded Palo Alto Networks (PANW) to Reduce from Hold with an unchanged price target of $157. The firm views the company's fiscal Q1 print as "sufficient, not transformational."

The stock's risk/reward is turning negative with limited potential for upward estimate revisions in fiscal 2026 and 2027, HSBC tells investors in a research note. The firm says that with Palo Alto's decelerating revenue growth, it sees an increased opportunity of a negative share re-rating.

2. Dell Technologies Downgraded to Underweight from Overweight at Morgan Stanley 

Morgan Stanley double downgraded Dell Technologies (DELL) to Underweight from Overweight with a price target of $110, down from $144. The firm believes the memory "supercycle" brings downside risk to hardware manufacturer earnings heading into 2026.

The cycle is driving inflated input costs amid "tepid" non-artificial intelligence hardware demand trends, the analyst tells investors in a research note. Morgan Stanley downgraded a number of global hardware names, saying lower gross margins will lead to negative earnings revisions and multiple compression.

3. HP Inc. Downgraded to Underweight at Morgan Stanley 

Morgan Stanley downgraded HP Inc. (HPQ) to Underweight from Equal Weight with a price target of $24, down from $26. The firm believes the memory "supercycle" brings downside risk to hardware manufacturer earnings heading into 2026, as previously mentioned.

4. QuantumScape Downgraded to Reduce at HSBC 

HSBC downgraded QuantumScape (QS) to Reduce from Hold with a price target of $10.50, up from $5.30. While the company has made progress on its targets and announced some key agreements and partnerships, visibility or the disclosure of contract economics remains limited, the analyst tells investors in a research note.

HSBC believes QuantumScape shares already reflect a "bullish scenario." The firm now sees more risk to the downside than upside, citing a lack of details on the licensing contract structure and new revenue streams.

5. Mizuho Double Downgrades Canadian Solar to Sell on "Overdone" Rally 

Mizuho double downgraded Canadian Solar (CSIQ) to Underperform from Outperform with a price target of $21, up from $15. The stock's recent rally reflects a higher growth multiple for Canadian Solar's battery storage business and solar multiple expansion, the firm tells investors in a research note.

However, Mizuho says the impact of U.S. factory resolution remains uncertain. Mizuho points out the stock has rallied 108% in the last three months, outperforming peers, due to expectations for battery storage demand to meet load growth and solar multiples bottoming out. "This seems overdone," the firm contends. It believes Canadian Solar's U.S. expansion remains on track, but adds that its Foreign Entity of Concern compliance is still pending.

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