This risk is objectively existent and must be warned, because even if the index has no too much decline space, for those stocks with huge increase and without substantial performance and topics support, their adjustment range may be relatively large, which shall raise alert; while the policy and basic situation guidance reveals the recent market hotspot. Xinya Data (600571) is a high-tech enterprise in China professionally engaged in software product research & development, system integration, and operation service. The company's major products such as bank bill micro-image system, securities bank customer service center system, enterprise electronic bank system and payment password device system take the domestic leading market share. The company also goes into environmental protection industry, becoming one of a few bag dust collectors and electric dust collector manufacturers owning independent intellectual property rights.