TheStreet. Ark Invest CEO Cathie Wood sold Robinhood Markets (Nasdaq: HOOD) shares worth $1.3 million to acquire Nvidia ...

Investing.com -- Retail investors tracked by Charles Schwab (NYSE: SCHW )’s Trading Activity Index (STAX) bought shares of ...

Amazon.com's custom Inferentia chips and SageMaker integration position it to dominate the fast-growing AI inference market.