Here are 3 simple reasons why traditional retailers are doomed (IBUY, XRT, AMZN, BBY, SHLD, M)

Flickr / schizoform Here's some not-so-shocking news: traditional department stores are still struggling to lift sales. Sales in May fell 3.9% compared to the prior year, worsening from a 2.9% drop in April, Morgan Stanley said in a note Monday. Paula Campbell Roberts and her team wrote that this proved "department store share losses are accelerating." "We saw this in 1Q, as we estimate department stores lost ~$400M apparel market share, primarily to Amazon and the off-pricers," they wrote. "W...