The market wreckage strewn by President Donald Trump’s trade war is uniquely driven by minute-by-minute policy whims. A trader riding out the tempest might look to the simple aphorisms passed down as time-tested investment wisdom for guidance.

A bear market is a Wall Street term used to describe a market downturn when a stock index, such as the S&P 500 or the Dow Jones Industrial Average, has fallen 20% or more from a recent high for a sustained period of time.

Yeah, there are some stocks of great companies beaten down by the tariff tantrums that look cheap, but overall the market faces a huge problem of being overvalued.