US equity markets dipped on Monday as fears of additional Covid-19 restrictions offset the optimism around a vaccine rollout. The 30-stock Dow traded lower by 151-points or -0.5%. The broader S&P500 declined by -0.6%. The S&P and Dow are up 13% and 4.6%, respectively, for the year. The tech-centric Nasdaq outperformed, rising +0.6%, extending its gains for the year to 39%.