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Pagină nouă: Pagina dedicata companiei PowerShares Dynamic Semiconductors ETF listata cu simbolul US.PSI ==Descriere companie== PSI tracks a benchmark that is designed to provide returns based on various investment criteria of semiconductor firms. Semiconductor chips act as the brains to numerous devices that we rely on today, including smartphones, calculators, computers, and much more. As technology continues to improve and expand, these chips will invariably be in demand to help power...