Major US equity indices logged mixed performance this week, with a recent momentum unwind seeing some stabilization on Friday. AI names, retail-investor favorites, most-shorted names, crypto-linked companies, and quantum computing came under some pressure. Among the big stories in the ongoing AI-scrutiny thread were Softbank's sale of its Nvidia stake, a continuing selloff in Oracle with focus on its debt-fueled AI buildout plans, and Coreweave weakness after lowering guidance on delays from a third-party developer.