During an interview with Donald Trump, Elon Musk reaffirmed his dream of dying on Mars, sparking debate online. Musk's ...

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Kaya Walker, former president of NYU's College Republicans, resigned after remarks about Barron Trump sparked backlash.

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.

"Now, if he built the factory in India, that's okay, but that's unfair to us. It's very unfair," Trump said in the interview.