Here are the 4 times Amazon has panicked investors in other companies

Mike Segar/Reuters

• Amazon has repeatedly showed an uncanny ability to disrupt entire segments of the stock market with corporate announcements.
• The most recent example is Amazon's collaboration with Berkshire Hathaway and JPMorgan, which spurred selling in healthcare stocks, but it's a dynamic that's happened repeatedly in recent months.

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Amazon's newly announced collaboration with Berkshire Hathaway and JPMorgan may have rocked the healthcare sector, but it's far from the first time Jeff Bezos & Co. have imposed their will on the market.

The company has made a habit out of crushing competitor market values with even the most basic of announcements, and their healthcare team-up is just the latest example of that.

The reasoning is simple - Amazon has a ton of cash and an unparalleled logistical network, and when it looks poised to enter a market, traders get scared and bail out of existing positions in other companies.

Amazon has done this so regularly, in fact, that it can be difficult to keep all the instances straight. That's where we come in.

Below you'll find a list summarizing recent examples of companies getting "Amazon'd" - the Business Insider-coined term for when a stock finds itself at the whim of the ever-expanding juggernaut.