Stocks nosedived for the second straight day on Friday as fears grow that an escalating global trade war will cut into corporate profits and stall economic growth.

This week serves as a good reminder to market participants that investing is a marathon and not a sprint – and that the path of the race has always been up and to the right. That said, today's trajectory was straight down,

Nasdaq also sinks more than 1,000 points as investors fret over the potential economic impact of President Trump's latest tariffs.