Here are Tuesday’s biggest calls on Wall Street:

Morgan Stanley upgrades Carvana Co. to overweight from equal weight

The firm said investors should buy the dip in shares of Carvana.

“A sharp pull-back in the share price offers a unique opportunity for investors to gain exposure to a leader in auto retail and fleet fulfillment.”

Bank of America upgrades Cloudflare, Inc. to buy from underperform

Bank of America said it sees “improving fundamentals” for the web security company.

“The company offers a differentiated approach to AI, and we place a high probability on Cloudflare becoming the leader in AI-as-a-Service (AIaaS), which we expect will be the AI consumption method of choice for Enterprises.”

JPMorgan upgrades MINISO Group Holding Limited to overweight from neutral

JPMorgan said the China retailer is well positioned for overseas expansion.

“We upgrade Miniso to OW from Neutral, mainly on: (1) China SSSG [same store sales growth] to recover; (2) robust overseas expansion.”

Morgan Stanley reiterates NVIDIA as overweight

The firm said Nvidia’s AI Chip, known as H20 is a beneficiary of China’s AI capex.

“Expect H20 to be strong again in the April quarter for Nvidia , with company commentary suggesting that China will make up ~10% or so of the data center segment in April...”

Baird upgrades Pentair PLC to outperform from neutral

Baird said the water treatment company is “best-in-class.”

“Upgrading PNR to Outperform on a meaningful margin expansion opportunity to at/near best-in-class levels (higher conviction around execution/progression of internal initiatives/cultural buy-in) and attractive long-term cycle dynamics/end market exposure.”

BTIG upgrades CrowdStrike Holdings, Inc. to buy from neutral

BTIG said Street estimates for the cybersecurity are too low.

“We are upgrading CRWD from a Neutral to a Buy Rating for two primary reasons. First, with the 7/19/2024 IT outage now eight months in the rearview mirror, we think CRWD has much better visibility on forecasts.”

Piper Sandler reiterates Microsoft as overweight

Piper said Microsoft is best positioned to weather a bumpy macro.

“Buy the weakness.”

Piper Sandler reiterates Tesla Motors as overweight

The firm said brand damage is “overdone” for Tesla shares.

“However: we think it’s incorrect when investors and/or journalists point to politics as the primary driver of Tesla’s double-digit y/y delivery declines (in Q1).”

Bernstein reiterates Amazon.com, Wal-Mart and Costco as outperform

The firm named several stocks on Tuesday that are best positioned in ecommerce in a choppy macro.

“We generally view the likes of AMZN, WMT, and COST as the best positioned to ride a macro storm given the combination of a defensive category mix, relative value, and membership lock-in that comes with each platform. In some ways, an extension of what we’ve seen in recent years.

BTIG upgrades Capital One to buy from neutral

The firm said the stock is cheap as it awaits word on the fate of its merger with Discover.

“Our positive view of Capital One regardless of the merger outcome relies primarily on the significant excess capital that Capital One has built up since the merger was announced.”

Goldman Sachs reiterates AT&T Inc as buy

Goldman said in a note on Tuesday that the “upside case is increasing.”

“We have gained incremental conviction on our bull thesis on AT&T - and continue to see upside to both Street estimates and the stock’s multiple - which in our view justifies healthy double-digit annualized returns for the stock.”