If you’re familiar with 19th-century ceramics, you probably know about ironstone. It was first made by English potter Miles Mason, who sold Chinese export porcelain and decided to make his own ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.

OpenAI’s board of directors has formally rejected an offer from a group of investors led by Elon Musk to buy the nonprofit for $97.4 billion. Scarlet Fu reports on “Bloomberg The Close.” ...