Breaking News: Business

• Broadcom and Costco's rich valuations leave little room for error as battleground stocks - In his Sunday column for Investing Club subscribers, CNBC's Jim Cramer writes about the issues facing Broadcom and Costco.
• Trump wants the U.S. shipbuilding industry to be great again. Here's what it will take, and what's at stake - President Trump is promising a shipbuilding renaissance in the U.S. to rival China, but it will not happen overnight, and will require allies.
• 'Stranger Things' ushered in a new era for Netflix - A lot has changed since its first season in 2016, as Netflix has announced dozens of "Stranger Things" partnerships and collaborations with brands.
• Homeowners are losing thousands in equity thanks to weakening prices - Weaker prices mean homeowners are starting to lose equity after several years of huge gains.
• ‘The next protein’: Fiber is shaping up to be the latest grocery obsession - As consumers find their next grocery obsession in fiber, food and beverage companies are racing to keep up with the trend.
• AI shopping could drive $263 billion in holiday sales. Walmart and Target are racing to get in - Consumers are turning to AI chatbots like ChatGPT for gift discovery, reviews and price matching, potentially driving billions in sales this holiday season.
• Lululemon CEO Calvin McDonald to depart in January as retailer struggles to compete, woo shoppers - Lululemon's CEO Calvin McDonald will leave the athleisure retailer at the end of January as sales in its largest market sag and consumers flee to competitors.
• Costco tops Wall Street's sales and revenue expectations - Costco on Thursday surpassed Wall Street's quarterly expectations as its sales rose 8.2% year over year.
• Home prices go negative for the first time in over 2 years — and may stay that way for a while - Home prices have not gone negative since mid-2023, a year after the Federal Reserve first brought rates up from zero, and mortgage rates moved sharply higher.
• Rivian announces new AI tech, in-house chip and robotaxi ambitions - The company has also developed AI models to power its Autonomy+ subscription, which it intends to roll out early next year for $2,500 upfront or $49.99 a month.