Wall Street's top analyst calls: Nvidia targets cut, Riot Platforms upgraded

Wall Street's top analyst calls on Tuesday focused on Nvidia, with Citi and Wells Fargo reiterating buy ratings but cutting price targets ahead of the chipmaker's earnings next week. Citi lowered its Nvidia price target to $285 from $315, while Wells Fargo reduced its target to $300 from $315, both expecting the company to report solid quarterly results and reaffirm its growth outlook. Other notable moves included Morgan Stanley reiterating SpaceX as overweight, Jefferies upgrading bitcoin miner Riot Platforms to buy with a price target hike to $28 from $13, and JPMorgan upgrading British American Tobacco to overweight. Additional calls featured UBS downgrading Carlyle Group to neutral, Cantor Fitzgerald initiating Ralph Lauren and Tapestry as overweight, and Jefferies reiterating Tesla as hold, noting a potential SpaceX merger could be more challenging to implement.