Visa has a solid history of rewarding investors with dividend increases, but that doesn't mean it will be a good fit for all income portfolios. If you're a dividend investor, it makes logical sense to focus on companies with strong dividend-paying histories. After you've created a list of businesses with good dividend track records -- say, 10 or more years of annual payout increases -- you can start to examine each stock to see if it suits your portfolio. And that's when the question of whether Visa (V -0.2 ...