How bad is the stock market sell-off?

The stock market's swift collapse has left many investors with more questions than answers.

Wall Street's plunge has been historic. The longest-ever bull market for stocks ended last week just days after marking its 11th anniversary.

You might be asking how bad is this? Are we headed for a recession? Should I rebalance my portfolio?

Here's a rundown of answers:

Trader Michael Gallucci works at his post on the floor of the New York Stock Exchange, Wednesday, March 11, 2020. Stocks are closing sharply lower on Wall Street,...