Market Reactions: AI Gains and Retail Challenges amid Tariff Concerns

On this episode of Stock Movers:
- UnitedHealth shares sink after a report that the insurer was under criminal investigation for possible Medicare fraud.On Tuesday, it sank more than 17% Tuesday when the company abruptly replaced its chief executive officer and suspended 2025 guidance.
- Cisco shares rise after the company gave a revenue forecast for the quarter that looks solid and slightly exceeded analyst estimates.It got a boost from corporations and cloud computing providers expanding their networks in part to handle a surge in artificial intelligence software.

- Walmart shares fall after the company reported another quarter of solid sales and earnings growth, but cautioned on tariffs and increasing economic turbulence, and that it expects to raise prices.

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