Volatility

Activity in the fund is surging, with trading volume jumping to more than three times the one-year average.

Behind every trade lies risk. Advisors should consider their partners carefully.

Regulators and Washington policy makers are sure to up scrutiny once the dust settles on the market turmoil that has buffeted GameStop and others.

“This looks like pockets of frothiness, some irrationality undoubtedly, some nonsense undoubtedly," said BlackRock Vice Chairman Philipp Hildebrand.

The margin requirements apply to Merrill Lynch wealth management clients and individual traders using the Merrill Edge platform.

The capital injection is “a strong sign of confidence from investors that will help us continue to further serve our customers,” a company spokesperson said in a statement.

Robinhood Markets, the trading app that’s popular with investors behind this month’s wildest stock swings, has drawn down some of its credit lines with banks, according to people with knowledge of the matter.

Probabilistic forecasts provide a durable framework for a sound financial future, the author says, and offers some for the new year.

There are still plenty of challenges and potential changes on the horizon. Here’s what to watch for.