What could President Trump do to Amazon?

President Donald Trump’s repeated Twitter attacks on Amazon have already dented the e-commerce giant’s stock price. But if he really wants to hammer the company and its ultra-billionaire CEO Jeff Bezos, the president has some tools at his disposal — using the government's spending and regulating powers. Here's a look at the threats the company may face if President Trump follows up his words with action:

1. Postal rates
2. Cloud computing
3. Antitrust
4. State-level scrutiny