Dow drops as banking stocks sink

US markets were down on Friday, to end the worst week for the sector in over a decade

Bank stocks led US markets lower on Friday as investors' concerns over the health of the financial sector continued to grow.

The Dow Jones Industrial Average was down over 400 points, or 1.3%, as of 16:10 GMT. The S&P 500 fell 1.15%, and the tech-heavy Nasdaq Composite slid 0.9%.

The slide was driven