Activist investor Elliott Investment Management has built a stake of more than 10% in Norwegian Cruise Line, citing concerns about management and spending on events including a Katy Perry concert https://www.bloomberg.com/news/articles/2026-02-18/elliott-builds-norwegian-cruise-stake-cites-spending-on-katy-perry-concert?taid=69950a29c4c82c00019f65a6&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter