Here are Monday ’ s biggest calls on Wall Street:

Oppenheimer adds Nvidia to the top ideas list

The firm said it ’ s sticking with its outperform rating on the stock.

"Nvidia has transformed from a graphics company to a premier leading AI computing platform company."

Cantor Fitzgerald reiterates Tesla as overweight

Cantor said it sees a slew of positive catalysts in the months ahead for Tesla.

"With shares currently trading at ~$350, we remain bullish ahead of several material near-term potential catalysts."

Morgan Stanley reiterates Apple and Meta as overweight

The firm said Meta remains over-owned by large cap institutional investors and that Apple remains under-owned.

"AAPL remains the most under-owned mega cap tech stock we track, while META remains the most over-owned

JPMorgan downgrades Netflix to neutral from overweight

The firm downgraded the streaming giant mainly on valuation.

"To be clear, there ’ s no change to our long-term bullish view on NFLX ’ s streaming leadership position & the company ’ s potential to effectively become global TV over time. However, more near-term, following significant stock price appreciation & outperformance, we believe the risk/reward in NFLX shares is becoming more balanced."

TD Cowen downgrades UnitedHealth to hold from buy

TD Cowen said it sees too many negative catalysts in recent weeks for the healthcare insurer.

"We are downgrading shares of UNH from Buy to Hold and reducing our PT from $520 to $308, based on 12.0x our revised 2026 EPS est."

Goldman Sachs reiterates Snowflake as buy

Goldman said it ’ s bullish on the stock heading into earnings on Wednesday.

"We continue viewing Snowflake as a high-quality asset capable of scaling to $10bn+ with durable mid-20 ′ s topline growth and 25%+ FCFM [ free cash flow model ] ."

UBS upgrades Delta and United to buy from neutral

UBS said it sees an improving second half for the two airline stocks.

"We are upgrading DAL and UAL from Neutral to Buy. Recent tariff relief due to the 90 day agreement with China and framework with the UK support a shift in our base case from a downturn in the economy to stability / slow growth."

Northcoast downgrades GE Aerospace to neutral from buy

The firm downgraded the stock mainly on valuation.

"We are downgrading GE Aerospace ( GE ) to a NEUTRAL rating following a sharp trading rally over the last few weeks that seemingly coincided with reduced concerns about global trade war fallout, the more manageable import tariff impact seen for the aero OEMs and tier-one suppliers, improved commercial aircraft production visibility, and a slew of positive industry-related headlines."

Wells Fargo downgrades Reddit to equal weight from overweight

Wells said in its downgrade of Reddit that it ’ s concerned about user declines.

"Recent user disruptions likely more permanent, as search user behavior change accelerates w/ Google likely to integrate full AI search capabilities soon. See threats not only to Reddit, but to all those dependent upon search traffic. Downgrade to EW."