Here are Monday’s biggest calls on Wall Street: William Blair downgrades Tesla to market perform from outperform William Blair said it’s concerned about the effect on Tesla from the Big Beautiful bill passage. “The ‘Big, Beautiful Bill’ Might Be Too Much for Tesla Shares, Downgrading to Market Perform.” Read more . UBS initiates GE Vernova as buy UBS said it sees a slew of positive catalysts ahead for the clean energy company. “We are initiating coverage on GE Vernova (GEV) with a Buy rating and a $614 price target, representing 20% upside potential.” CLSA initiates General Motors as outperform CLSA said the automaker is well positioned. “Making the best of a bad situation, GM management senses an opportunity to turn Trump’s auto tariffs to its advantage. By holding back on any price hikes that would cover the import duties, GM is successfully turning up the heat on its competitors, especially those based overseas, all of which are loath to attract the wrath of the president.” Bank of America downgrades Stellantis to neutral from buy Bank of America said in its downgrade of Stellantis that it’s concerned about rising competition in Europe for the auto maker. “We think the US will return to strength driven by some important model launches, but we have some concerns over Europe, where we consider the company is badly positioned on BEV’s [battery electric vehicle] against rising competition.” Rothschild & Co Redburn upgrades T-Mobile to neutral from sell The firm upgraded the stock on valuation. “After its recent sell-off, TMUS is only 5% above our DCF-based price target – hence, we upgrade to Neutral.” Citi reiterates Nvidia as buy Citi raised its price target on the stock to $190 per share from $180. “We raise TP on Nvidia to $190 on AI TAM expansion. We model total 2028 data center semis AI TAM to now reach $563B or 13% above our prior expectation of $500B. The 4% increase in compute TAM is driven by higher-than-expected sovereign AI demand.” Read more. Citi reiterates Applied Materials as buy Citi add the stock to its focus list. “We are adding Buy-rated Applied Materials to the US Focus list, which is reserved for stocks that screen attractive on valuation, consensus crowding, and risk-reward.” JPMorgan initiates Chime Financial as overweight JPMorgan said shares of the financial services company are compelling. “We are initiating coverage of Chime (CHYM) with an Overweight rating and $40 Dec 2026 price target.” Seaport downgrades Netflix to neutral from buy Seaport downgraded Netflix on valuation. “We are increasing our long-term valuation views, but the average of our approaches would suggest