Meta CEO Mark Zuckerberg is now the world's fifth-richest person after his net worth jumped by more than $13 billion on July 10, helped by a sharp rise in Meta's share price. According to the Bloomberg Billionaires Index, Zuckerberg's fortune now stands at about $237 billion, up around $4 billion since the beginning of the year. The gain moves him behind only Elon Musk, Larry Ellison, Sergey Brin and Jeff Bezos in the global wealth rankings. The increase comes as Meta shares continue to climb on investor optimism around the company's AI strategy and future growth.Meta shares rise on AI and data center plansMeta's stock has risen sharply in recent days, climbing from around $540 earlier this month to about $669. The rally followed a Bloomberg report that Meta is considering selling excess computing capacity from its data centers. If implemented, the move will help generate billions of dollars in additional revenue from the company's existing infrastructure.Meta has also announced several AI products in recent weeks. Last week, the company introduced Muse Image and later launched Muse Spark 1.1, an AI model designed for coding and AI agent tasks. The social media giant is also preparing to launch its own AI chip, developed with Broadcom, in September. Meta plans to deploy up to 1 gigawatt of custom AI chips over time.Analysts remain positive on MetaWall Street analysts remain optimistic about Meta's outlook. According to analyst estimates, the average price target for Meta shares is $827, well above the current share price. Rosenblatt has one of the highest targets at $1,015.Investors are also watching Meta's next earnings report, scheduled for July 29. Analysts expect the company to report quarterly revenue of about $60.23 billion, an increase of nearly 27% from the same period last year.