In response to increased U.S. investor enquiries and as part of a determined bid to diversify its shareholder base and increase liquidity, dye sensitized solar cell leader Dyesol Limited has upgraded from the Over-the-Counter (OTC) Pink marketplace in the U.S. to the top tier of the OTC market – the OTCQX. This move significantly increases information transparency to U.S. investors by providing a full record of all company announcements, financial reports and shareholder notifications f...