When the Corona crisis is over, some sectors will no longer be able to continue their heyday, others will experience a new boom. Investors do not necessarily have to look for individual profiteers, they can put entire winning industries in the form of a fund. Exchange-traded index funds, so-called ETFs, enable a particularly cost-effective entry. Industry ETFs collect the businesses of an entire sector in a single paper that savers can buy with little money. WELT shows you which sectors of the economy make a deposit after the pandemic a winning portfolio.