Hitting the books

As information drives capital with increasing speed through global markets, it's also remaking the investment landscape and, with it, the practice of IR. In representing the company to the marketplace and the marketplace to the company, the IRO works at that vital juncture of communications, finance, valuation, marketing and corporate governance, where words can move stock or trigger a lawsuit. 'IR is changing so fast,' notes Boston University assistant professor Cynthia Clark, 'you really