SAN FRANCISCO (MarketWatch) -- BlackBerry Inc. bbry said Friday morning that it is asking federal securities regulators to review "a false and misleading report" claiming high rates of returns for its Z10 smartphone. The report, from the investment research firm Detwiler Fenton, circulated on Thursday, . BlackBerry's shares fell 7.7% by the close of trading on Thursday. "Return rate statistics show that we are at or below our forecasts and right in line with the industry," BlackBerry CEO Thorsten Heins said in a statement on Friday. "To suggest otherwise is either a gross misreading of the data or a willful manipulation." The company said it is seeking review from the U.S. Securities and Exchange Commission as well as the Ontario Securities Commission. BlackBerry shares were up 1.2% in pre-market trades.