Markets and indexes

Naked short selling is one possible cause.

In the early part of the last decade, critics’ angst focused on how dark pools were siphoning business from Wall Street. Then came the pandemic.

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

While getting a rules overhaul through a bitterly divided Congress won’t be easy, analysts, consumer advocates and experts say changes may be on the table.

The Silicon Valley startup left users fuming by temporarily restricting certain purchases at the height of January’s mania over GameStop.

Growth, quality and low-volatility stock funds had one of their worst months of flows on record, while those tracking value had one of their best.

For investors, Biden represents an attitude shift from the era of Trump, who famously made the Dow a barometer of his success.

Decisions we make during financial crises alter as retirement nears — and not always for the better.

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

Once a laggard, the index and its cyclical components have shot up 13% since Halloween, putting it on track for the best month since 1987.