John Wiley & Sons' stock surged 5.95% during intraday trading on Friday, showing significant positive momentum.

The sharp rise appears linked to news that the company, alongside other major publishers, has filed a lawsuit against the prominent 'shadow library' Anna's Archive. The legal action alleges the site has pirated millions of books, including academic works, and provided them to AI companies for training. Investors may view this aggressive move to protect intellectual property as a positive step in safeguarding the company's content and future revenue streams in the AI era.