Markets are up as more certainty is cemented, says Loop Capital's Gibson

CNBC's "Halftime Report" team discusses how they view the market action as the Dow and S&P 500 hit new record highs on the first day of trading after the 2020 Presidential Election was called for Joe Biden, and after Pfizer and BioNTech announced a Covid-19 vaccine that's 90 percent effective in late-stage trials.