As U.S. tariffs hit mills in Canada, Alabama makes steel for new Canadian naval vessels

I worry about our farmers and their small profit margins. Some corporate stocks have high growth in earnings built into the price. If earnings go down in enough companies, the S&P 500 could potentially go down and pull down the whole stock market in general.

This whole tarriff thing is ridiculous and like you hope it ends soon. As to NAFTA I haven't been really following negotiations, but hear they're not exactly going well. Not entirely sure why it needs to be renegotiated in the first place, its worked fine since 1994, sometimes to our benefit and sometimes not.

If you check the listing of all the major economies & tariff rates by country the US ranks towards the bottom for all developed nations. The US has always had tariffs & up until the Income tax was founded in 1913, tariffs produced nearly 100% of US Federal revenues.it is interesting to note, that higher GDP countries have lower tariff rates on average.

Although China, a new WTO member places high tariffs on imports from the US & other countries. They also ban foreign ownership of nearly every Chinese company & mandate forced technology transfers to companies that do decide to take up to a 49% stake in a Chinese company.

https://www.investopedia.com/ask/answers/040115/which-countries-have-highest-tariffs.asp