The smart money on Wall Street is shorting Amazon's rivals

Few bets have been smarter this year than wagering on Amazon's success, and against its top competitors. And now short-selling by investors suggests an increasing consensus that Amazon will not only continue to weaken its retail rivals, but soon dominate markets for fresh groceries and auto parts, according to Ihor Dusaniwsky of financial analytics firm S3 Partners.

Data: S3 Partners; Chart: Andrew Witherspoon / Axios