China's RoboTechnik falls in Hong Kong debut, other new comers mixed

Chinese automation equipment maker RoboTechnik Intelligent Technology (3757.HK) fell as much as 8.5% in its Hong Kong trading debut on Tuesday, after raising HK$5.18 billion ($660.35 million) in its share sale.The stock dropped to as low as HK$399, compared with its offer price of HK$436, after ope…