Sealed Air (SEE) Gains 43% YTD: What’s Driving the Rally? Posted byZacks Equity Research November 26, 2021 Leave a comment on Sealed Air (SEE) Gains 43% YTD: What’s Driving the Rally? Sealed Air (SEE) is poised on the ongoing strength in packaging and e-commerce demand as well as savings from its Reinvent SEE strategy.