Law360 (December 16, 2010, 3:09 PM EST) -- The Supreme Court will soon consider whether information needs to be statistically significant for it to be material in an appeal of a shareholder class action from the Ninth Circuit by Matrixx Initiatives Inc. Several doctors and plaintiffs between 1999 and 2004 claimed that Zicam nasal spray caused loss of smell. While there had been some 12 to 23 adverse event reports (AERs) of users losing their sense of smell after using the popular cold remedy, the reports were just stories, and the number of reports was miniscule relative to the millions of units sold. The number was so small that Matrixx, the drug's manufacturer, described it as not statistically significant....