The Kuwait Stock Exchange (KSE) ended last week in the red zone, a report by Bayan Investment Company said Saturday. Bayan data showed the price index ended last week with a decrease amounted to 0.44 percent, and the weighted index decreased by 0.61 percent, whereas KSX-15 Index retreated by 0.50 percent. Furthermore, the average daily traded value increased by 1.31 percent, reaching KD 31.62 million, whereas trading volume average was 436 million shares, recording increase of 14.9 percent. Bayan report highlighted a crucial role for the leading stocks in steering the KSE trading. The small stocks had been also subjected to active purchasing operation in a series of profit-taking deals, the report added. For the annual performance, the price index ended last week recording 2.66 percent annual profits compared to its closing in 2011, while the weighted index jumped by 2.68 percent, and the KSX-15 recorded 0.03 percent climb compared to its value when it was launched. KSE total market capitalization declined by 1.42 percent during last week to reach K.D. 28.15 billion.