Amazon once again flashes its ability to destroy the competition

By announcing sweeping price cuts at Whole Foods, which it recently acquired, Amazon once again succeeded in wreaking havoc on the grocery industry.
It's just the latest example of the company wiping out billions of dollars of competitors' market caps with a corporate announcement, and it's bound to happen again.
Competitors' stock prices are looking more sensitive to Amazon's news than their own.
Amazon is once again sending shockwaves rippling through the retail industry.
The Jeff Bezos-led j