Dividends remain one of the best long-term avenues to generating wealth. Here are three stocks you can buy and hold forever.The stock market's recent sell-off has some investors concerned about their investments and even the overall health of the U.S. economy. But over many people's investing lifetimes, markets will sometimes go up and sometimes go down, and changes can happen rather quickly. If the recent volatility has you looking for more stable investments, consider a few established cash-generating com ...