To say the financial markets were a bit bumpy in 2018 may be an understatement. The S&P 500 was down 6.2 percent for the year, the first time this key index fell since 2008, during the financial crisis. So what can you anticipate in 2019? And what investment moves should you make?Let’s review the causes for last year’s market volatility. Generally speaking, uncertainty was a major culprit. Uncertainty about tariffs, uncertainty about the continued trade dispute with China, unce...