Dana Blankenhorn, InvestorPlace.com

Retailing has been forced into a transformation over the past decade.

Everyone’s aware of the seasonal pattern around the holidays.

Bitcoin is back.

Amazon.com (AMZN) shares are trading as though no one can compete with it, up more than 30% in 2018 against a slightly down market.

The Standard & Poor’s 500-stock index has gone a long way since hitting bottom in March 2009.