Algorithms are ​sets of rules used to help drive active decision-making. Illustration: Heather Seidel/The Wall Street Journal (Originally published May 21, 2017)Banking stocks have been hit along with everything else the past couple days. Banks tend to perform well during periods of higher interest rates and currency volatility. But extreme market volatility is good for no one. Bank shares recovered somewhat along with the rest of the market Tuesday, but over the past three trading days the KBW Nasdaq Bank Index has still fallen 5.1%, even greater than the 4.5% decline in the S&P 500.

Source: Wall Street Journal February 06, 2018 17:37 UTC