Rich in antioxidants like Omega 3, magnesium, potassium, fiber, and lutein, as well as nutrients, including vitamins A through E and K, the avocado is a superfood (and a fruit). Last year, the United States imported a new record of 2.8 billion pounds of avocados from Mexico, the world's largest supplier. The superfood continues to gain popularity, and producers continue to see their stocks grow just as well. Here are two avocado stocks that prove they aren't just a superfood but can also be a super investme ...