Here are Tuesday's biggest analyst calls: Nvidia, Apple, Southwest, Citi, Chevron, Shopify, Toast & more

Wall Street analysts issued a series of influential calls on Tuesday affecting major companies including tech giants Nvidia and Apple, financial institution Citigroup, energy giant Chevron, airline Southwest Airlines, e-commerce platform Shopify, and restaurant technology company Toast, as part of their regular investment guidance to help navigate the complex financial markets. Technology stocks received significant attention as analysts at several major investment firms adjusted their ratings on Nvidia and Apple, with some expressing optimism about upcoming product launches while others cautioned about potential supply chain challenges. The semiconductor sector, led by Nvidia, has been particularly volatile recently amid shifting demand patterns and geopolitical tensions that affect global chip production and distribution networks. In the financial and energy sectors, Citigroup and Chevron faced divergent analyst opinions as banking experts evaluated the impact of interest rate changes on lending activities, while energy analysts assessed fluctuating oil prices and their effect on profitability. Meanwhile, consumer-facing companies like Southwest Airlines, Shopify, and Toast received mixed reviews as analysts weighed post-pandemic recovery trends against persistent inflationary pressures affecting operational costs and consumer spending patterns across different market segments.