2019 proved a strong year for US assets, with US equity markets recording the strongest annual total return since 2013 and the US aggregate bond index up almost 9.0%. In addition, the past decade proved the best ever for the S&P 500 index, which returned 256% overall, well above its historical average. It was also the decade when US equities dominated other markets, with an outperformance of more than 90% versus the MSCI World index.