Equity funds are widely diversified stock portfolios, investing in numerous (tens of) equitys, by which they reduce the risk of drop of an individual stock title significantly. They form the most varied category of shares funds, because various investment strategies can be applied with them and variety of stock markets can be used. Pursuant to investment strategy, they can be divided into benchmark funds, copying the particular market or index, stock-picking funds, searching for investment potential of individual companies, or equity funds of funds, investing in investment certificates of other equity funds. Pursuant to their focus on developed or developing economics, they can be divided into various territories (Europe, Asia, etc.) or specific countries (the Czech Republic, USA, Japan, etc.), and into individual economic sectors (technology, pharmaceuticals, energy, etc.).