FDA presses Reynolds American and Imperial Tobacco over marketing

• Reynolds American (RAI +1.6%) and Imperial Tobacco (ITYBY, ITYBF) have received a warning from the FDA over advertising.
• The agency says the companies need to prove that cigarette brands labeled as "natural" or "additive-free" are lower risk to consumers than traditional cigarettes.
• Reynolds and Imperial have 15 days to respond to the directive.