KEY POINTS
  • "The bottom line is that Amazon's getting out of the food delivery space, that doesn't change anything," CNBC's Jim Cramer says.
  • "GrubHub's still facing relentless competition. I think it's way too risky to own here," the "Mad Money" host says.
  • "Sometimes an industry will be booming, like this one, but there's no real good way to invest in it," he says.

GrubHub is too tough to own, even if the online food delivery company delivers a surprisingly good quarterly report in the coming weeks, CNBC's Jim Cramer said Friday.

Amazon, the notorious industry disruptor, in June shut down its 4-year-old Amazon Restaurants project that delivered plates to Prime members in 20 U.S. cities.