Erian, among others, are reacting to President Donald Trump's tariff announcement.

Here's a closer look: What are DRIPs? Pros and cons of DRIPs. A DRIP's role in an investment portfolio. How to invest in DRIP stocks. DRIPs are less about specific stocks and more about a program ...

To help narrow the pool, let's look at two of the most popular machines: The classic drip coffee maker and the French press. The brewing process for each of these is pretty straightforward.