First Trust Materials AlphaDEX Fund FXZ — up 10.9% The materials space has remained strong as improving labor market conditions, growing consumer spending, accelerated coronavirus vaccine rollout and the passage of the much-awaited $1.2-trillion infrastructure bill are pointing toward a faster-recovering economy. First Trust Materials AlphaDEX ETF (FXZ): ETF Research Reports The ongoing Russia-Ukraine crisis, the high inflation levels, super-hawkish Fed and resurging COVID-19 cases in China causing the country to take strict actions are some developments that kept investors on edge in March.