Benzinga's Top #PreMarket Losers

American Apparel

dropped 12% to $0.85 in pre-market trading after the company announced Dov Charney's special meeting request is invalid. On Saturday, American Apparel adopted a one-year stockholder rights plan. Central European Media Enterprises

dipped 1.42% to $2.78 in pre-market trading after gaining 3.30% on Friday. BlackBerry

shares declined 1.33% to $9.65 in pre-market trading after dropping 1.41% on Friday. United States Steel

fell 1.23% to $25.70 in pre-market trading. Martin Marietta Materials

will replace U.S. Steel in the S&P 500 index after the close of trading on July 1.