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BioPharmX Corporation, a specialty pharmaceutical company, develops and commercializes novel prescription and over-the-counter (OTC) products that address dermatology and women's health markets. The company offers VI2OLET, an OTC molecular iodine dietary supplement that addresses cyclic breast discomfort, as well as alleviates the symptoms of fibrocystic breast condition (FBC). Its clinical-stage product candidates include BPX01, a topical antibiotic gel that has completed Phase II clinical trials for the treatment of inflammatory lesions of acne; BPX04, a topical antibiotic, which is in pre-Phase II feasibility study for the treatment of inflammatory lesions of rosacea; BPX02, a development stage product candidate for aesthetic dermatology applications; and BPX03, a molecular iodine tablet, which has completed pre-Phase III clinical trial for the treatment of periodic breast pain associated with FBC and cyclic mastalgia. The company serves pharmaceutical companies; physician's practices, including obstetricians and gynecologists, dermatologists, and general practitioners; and retail customers through retail sales channels and/or pharmacy outlets. It has collaboration and license agreement with Iogen LLC to develop molecular iodine formulations; and collaboration and supply agreement with NuTech Medical, Inc. to develop products in the field of dermatology. The company is headquartered in Menlo Park, California.

Cypress Development Corp. engages in the acquisition, exploration, evaluation, and development of mineral properties in the United States and Canada. It explores for lithium, zinc, and silver deposits. The company's flagship project is the Clayton Valley project that covers an area of approximately 5,430 acres located in southwest Nevada. Cypress Development Corp. was incorporated in 1991 and is headquartered in Vancouver, Canada.

Optical Cable Corporation, together with its subsidiaries, engages in the manufacture and sale of fiber optic and copper data communications cabling and connectivity solutions primarily for the enterprise market in the United States and internationally. The company provides fiber optic and hybrid cables for high bandwidth transmission of data, video, and voice communications; and copper datacom cables, including unshielded and shielded twisted pair constructions. Its fiber optic connectivity products include fiber optic wall mounts, cabinet mount and rack mount enclosures, pre-terminated fiber optic enclosures, fiber optic connectors, splice trays, fiber optic jumpers, plug and play cassette modules, pre-terminated fiber optic cable assemblies, adapters, and accessories; and copper connectivity products comprising category compliant patch panels, jacks, plugs, patch cords, faceplates, surface mounted boxes, distribution and multi-media boxes, copper rack mount and wall mount enclosures, cable assemblies, cable organizers, and other wiring products for equipment rooms, telecommunications closets, data centers, and workstation applications. In addition, the company offers network, data storage, and telecommunications management systems, such as data cabinets, wall mount enclosures, horizontal and vertical cable management systems, and open frame relay racks; and datacom wiring products, including various enclosures, and modules and modular outlets for single dwelling and multiple dwelling residential uses. Further, it provides specialty fiber optic connectors and connectivity components, copper datacom connectors, and related systems and solutions for military, other harsh environment, and special applications, as well as cylindrical connector products. The company sells its products to distributors, original equipment manufacturers, value-added resellers, and end-users. Optical Cable Corporation was incorporated in 1983 and is headquartered in Roanoke, Virginia.

PowerShares DWA Technical Leaders Portfolio (the Fund) is based on the Dorsey Wright Technical Leaders Index (the Index). The Fund seeks investment results that generally correspond to the price and yield of the Index. The Fund will normally invest at least 90% of its total assets in securities that consists of the Index and American Depositary Receipts (ADRs) based on the securities in the Index. The Index includes approximately 100 the United States-listed companies. Invesco PowerShares Capital Management LLC acts as the Fund's investment adviser.