These 2 charts show how Tesla's skyrocketing stock has become divorced from the rest of the auto industry (TSLA, GM, F, FCAU)

· Tesla is worth more than its Detroit competitors combined, despite outputting just a fraction of their production. 
· The stock price — which continues to hit record highs — has perplexed investors, analysts, and even CEO Elon Musk.
· "We're struggling to play catch-up here with the valuation," one analyst put it...