Bitcoin was close to flat after jumping above the $9,000 mark in early trading. Here's what you need to know.
Insider-controlled public companies as a group also have mixed returns. One study found that dual-class firms tend to have higher valuations early in their lifecycles but lower valuations about six years out from the IPO.
'We have a responsibility to protect your data, and if we can't then we don't deserve to serve you,' Zuckerberg says.
Support is holding on the S&P 500 but if tested chances it will crack are quite high.
Stocks finished lower on Wednesday after the first interest rate decision from Federal Reserve Chairman Jerome Powell.