11.   All but Western Digital were among the most active stocks in U.S. trading.

12.   All three automakers were among the most active U.S. stocks.

13.   All were among the most active stocks in U.S. trading.

14.   British Gas Plc was the most active stock in the U.K. after the company announced it will break into two separate units and said its chairman will resign.

15.   CBR Cimenteries SA, a construction company, was the most active stock in the last three trading sessions.

16.   Cepco was the biggest gainer and the third most active stock on the market.

17.   China Everbright-IHD Holdings Ltd. was the third most active stock.

18.   Cirrus was the second-most active U.S. stock.

19.   Cirrus was the second-most active stock.

20.   CNNFN, another financial cable network, filters trades to provide frequent alphabetical summaries of the most active stocks and the biggest gainers and losers.