Here are the biggest calls on Wall Street on Tuesday: Loop initiates Visa and Mastercard as buy Loop says both credit card stocks are well positioned. "Through the many avenues to generate new transactions, including market share wins, we expect MA net revenue growth to far exceed the payment processors. ... V could also see upside related to FX volatility revenue returning, boosting yields." Truist initiates Arista Networks & Cisco as buy Truist says it's bullish on both stocks. "High quality, business scale, thematically attractive, with upside: DLR, EQIX, ANET, MSI. Underappreciated opportunity: CSCO, HPE, AMT." KeyBanc initiates NiSource as overweight KeyBanc says the energy company is well positioned for data center growth. "We are initiating coverage of NI with an Overweight rating and $52 PT." William Blair upgrades 10X Genomics to outperform from market perform William Blair says the company is an "winner in AI drug discovery." "Our 10x upgrade thesis is centered on its role in enabling the high-resolution biological insights needed to build decision-enabling models, but considers that execution (five consecutive topline beats) and profitability have improved (at adjusted EBITDA breakeven) and single cell has stabilized." Canaccord reiterates Tesla as buy Canaccord lowered its price target on the stock but says it's sticking with Tesla. "Other Mag 7 stocks are now trading at more depressed multiples relative to our previous Tesla update ~16x from ~21x 2028E EPS previously. As a result we are lowering our Tesla multiple while keeping 2028 estimates intact. We now apply a ~37x multiple (from ~46x) to our $11.30 in 2028E non-GAAP EPS to achieve a price target of $420 (from $520)." Bernstein upgrades Western Digital to outperform from market perform Bernstein says shares are too attractive to ignore. "We upgrade WDC to Outperform on the back of the recent sell-off which provides an attractive entry point." Deutsche Bank upgrades Diageo to buy from hold Deutsche said in its upgrade of Diageo that the beverage company expects a "substantial reset to pave the path to predictability." "Industry headwinds and market-share loss mean we expect Diageo to reduce profitability to drive competitiveness." Morgan Stanley initiates MiniMed as overweight Morgan Stanley says the diabetes platform company is firing on all cylinders. "Initiate MiniMed at Overweight with $19 PT (+31% Upside). We see a differentiated diabetes platform with improving growth and margin expansion, supported by significant U.S. underpenetration, a favorable shift toward pharmacy distribution, and operating leverage as adoption scales." Jefferies upgrades Veralto buy from hold Jefferies called the industrial company a "high quality name." "We assume coverage on VLTO with a BUY with a PT of $110, or 20x our unchanged 2026 EBITDA estimate." Jefferies upgrades Emerson to buy from hold Jefferies says it sees earnings growth. "We assume coverage of EMR and upgrade to BUY. Strong orders momentum across core growth verticals should support an acceleration in earnings growth from LSD [low single digits] in 1H to LDD [low double digits] exiting FY26 and into FY27." Read more . Jefferies upgrades Amphenol to buy from hold Jefferies says shares of the connector supplier are compelling. "We assume coverage of APH a nd upgrade to Buy." Citi reiterates Micron as buy Citi lowered its price target to $425 per share from $510. "That said, Micron and its memory peers have begun negotiations with the hyperscalers on 3-5 year strategic or long-term agreements to lock in base volumes, pre-payments, and adjustments to quarterly pricing based on market conditions, which should provide support to contract prices, in our view. We believe spot prices have pulled back on TurboQuant concerns to memory demand." Goldman Sachs reiterates Nvidia as buy Goldman says it's bullish on Nvidia's healthcare efforts. " NVDA's healthcare efforts date back 18 years, from when the company was reinventing itself from computer graphics to accelerated computing and building full stack computing platforms that are domain specific." Stifel initiates Bridger Aerospace as buy Stifel says the aerospace company is at an inflection point. " Bridger Aerospace Group Holdings, Inc. (BAER) has evolved into a mission-critical infrastructure platform positioned for a 2026 financial inflection." Barclays reiterates Apple as underweight Barclays says it's standing by its sell rating on the tech giant. "We remain UW on AAPL on an uncertain growth backdrop, regulatory risks in Services, undefined AI strategy, and a premium valuation" UBS upgrades Perimeter Solutions to buy from neutral UBS says investors should buy the weakness in the fire safety solutions company. "We upgrade PRM stock to Buy from Neutral." Read more . Mizuho initiates Sun Communities as outperform Mizuho said in its initiation of Sun Communities that the manufactured housing company is a top idea. "We see MH REITs as near-term winners among Residential REITs, benefiting from low supply, affordability (lower-cost housing), demographic tailwinds (baby boomers), and less tech/AI and regulatory/policy risk." Bank of America upgrades Shake Shack to neutral from underperform Bank of America says it sees several positive catalysts ahead for Shake Shack. "Menu innovation (Dubai shake, Korean menu) developed through the company's stage-gate process (culinary, operational, and financial standards) and featured value ($1-$3-$5 in-app menu) are contributing to more stable same store traffic (vs declines previously), despite a choppy macro backdrop." Wells Fargo reiterates Microsoft as overweight Wells says it's bullish on the stock ahead of earnings. "See margin & capex commentary as the EPS focal point, where MSFT likely emphasizes commitment to margins despite capex likely above St—to keep pace w/ peers on AI capacity. We est capacity build yields sustained high-30s % Azure rev growth thru FY28."
