With a new COVID variant sparking renewed interest in companies who produce vaccines and treatments, Pfizer (PFE) rallied 6.1% and shot up the rankings in the SIA S&P 100 Index Report, returning to the Green Favored Zone and climbing to its highest position since January of 2019. On Friday, PFE finished in 12th place up 23 positions on the day and up 53 spots in the last month.