Today's biggest winners and losers in the stock market.

On this episode of Stock Movers, we take a look at some of the week's biggest gainers and decliners:

- CBRE Group (CBRE) was among the week's worst performers. During trading on Thursday, its shares dropped as much as 15%, extending losses for a second consecutive day amid ongoing concerns about the impact of artificial-intelligence tools on the industry. The company said during its earnings call that the outlook remains uncertain and it would be ‘possible’ for AI to reduce long-term office space demand.

- Equinix (EQIX) shares rallied this week after the data center operator’s 2026 revenue guidance beat the average analyst estimate. Analysts are positive about the increased bookings and highlight a boost to the company’s forecast from accelerated AI demand. Bloomberg Intelligence analyst Jeffrey Langbaum says in his note that Equinix improved its adjusted Ebitda margins, "reflecting operating leverage from robust tenant demand". 

- Vistra (VST) saw its share rise this week after Jeffries updated it to buy from hold following recent share weakness.

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