PowerShares Zacks Micro Cap Portfolio (the Fund) seeks investment results that correspond to the price and yield of the Zacks Micro Cap Index. The Fund will invest at least 90% of its total assets in common stocks that comprise the Index. The Index is designed to identify a group of micro cap stocks with the potential to outperform passive micro cap indexes and other actively managed the United States micro cap strategies. The Fund invests in the sectors, such as consumer discretionary, industrial, information technology, materials, utilities, energy consumer staples, financials, health care and information technology. The Fund’s investment advisor is Invesco PowerShares Capital Management LLC.