Meta spent a year being punished for its AI spending. Then it told investors how it would get the money back.

Meta has had a miserable year on the market, flat while the Nasdaq-100 climbed 18%. That changed abruptly, with the stock posting its best week since early 2024, CNBC reports. Shares rose about 6% on Friday and roughly 15% across the week. The move was not driven by advertising, the business that…