Robinhood, Charles Schwab and TD Ameritrade are among the brokerages restricting trades
Short sellers are coming up against retail investors determined to maintain the videogame retailer's momentum
Uncertainty abounds, but 2021 promises opportunities in equities markets
A report looks at whether this is the end of the current cycle or the start of a new one
The S&P 500 slipped 0.2%, pulled down by losses in banks and communications companies
The S&P 500 fell 0.4% Monday, its second straight drop after setting its record on Thursday
Tesla Inc.'s valuation is more than double that of Toyota Motor Corp.
A growing number of investors are trying their hand at day trading
After slowing sharply in the spring, Wall Street IPOs surged in the summer
New rules will expand the content of market data, allowing for competing data consolidators