THE Shenzhen A market was slightly optimistic yesterday with all stocks gaining in moderate trade. The day's stellar performer was Da Sheng, which climbed 9.39 per cent on the back of good company results. The CLSA Shenzhen A Index climbed 3.05 per cent to end the day at 2923.78, reversing some of the market's previous loss. Following the trend since the introduction of US dollar trading, the Shenzhen B market remained lacklustre. The CLSA Shenzhen B Index slipped 0.19 per cent to close at 1239.24. It was another bullish day on the Shanghai A market, although not at the dramatic rate of Tuesday. Stocks edged up broadly in sustained trading with Fello Acoustic making a remarkable gain of 16.67 per cent. The CLSA Shanghai A Index gained another 4.24 per cent to close at 7293.91. Moderate gains again typified the B market. The CLSA Shanghai A Index was up a modest 1.08 per cent to close at 1018.55. All B share and composite indices are in US dollars.