The US stock market has been turbulent recently. As a Dividend Growth Investor, I usually ignore stock price fluctuations, unless I am looking to buy a quality stock at a discount. As a long-term investor, I focus on growing my dividend income. Dividends are more stable, predictable and reliable than stock prices. Dividends also tend to grow above the rate of inflation over time. The stability and predictability of dividend payments make them an ideal source of income for retirees. While share prices can fluctuate, I can sleep well at night, knowing that my dividends are coming in, and most li…