Tian Rui Instruments is not a demon stock. Tian Rui Instrument Co., Ltd., founded in 1992, is a comprehensive enterprise specializing in the research, development, production and sales of X-ray fluorescence spectrometer. The company has a world-class expert team in the field of X-ray fluorescence analysis technology, with strong financial strength, top technical level, first-class service level and advanced management mode. At the same time, the company maintains close cooperation with professional research institutes and enterprises in related fields at home and abroad, and tracks the most advanced theories and technologies in the field of international X-ray fluorescence analysis in real time. Another focus of today's market is that Longji, the photovoltaic leader, adjusts the official quotation of monocrystalline silicon wafers. The prices of silicon wafers of various sizes are lowered by 7.2%~9.8%. Longji shares closed down 3.8% on the same day, with a total market value of 455 billion. From the highest price of 10 in October 1 103 yuan, Longji shares fell by 24% and evaporated by more than 50 billion yuan.

1. Changzhou Tian Rui Instrument Co., Ltd. is a limited liability company registered in Jintan District, Changzhou City, Jiangsu Province on 2010-0517. The registered address is No.27-2, Fenghuang Economic Industrial Park, No.249 Changliang Middle Road, Jintan District, Changzhou City. The unified social credit code/registration number of Changzhou Tian Rui Instrument Co., Ltd. is 91320413558186310, and the enterprise is in the opening state. The business scope of Changzhou Tian Rui Instrument Co., Ltd. is: the manufacture and sales of teaching instruments and accessories; Manufacturing and sales of DC cars. (Projects subject to approval according to law can only be operated after approval by relevant departments). Within the scope of this province, the registered capital of mobile enterprises belongs to the general.

2. Tian Rui Instruments once again closed its daily limit by 20cm, rising by 73% in three trading days, becoming a new high-standard stock on the Growth Enterprise Market. However, whether it is Jiu 'an or Tian Rui, this short-term stock speculation is also risky, except for the risk of plunge. The biggest retracement stock in the market is also demon stock, namely Tuoxin Pharmaceutical, which rose sharply in the previous period. Tuoxin Pharmaceutical fell more than 4% at the opening, rising to 8% in the morning, and once rose to 12% in the afternoon. However, it plunged again in the afternoon, and finally closed down by 7%, fluctuating by 22% throughout the day, with the largest retracement on that day 17%. So is Wei Lan Pharmaceutical, the younger brother of Tuoxin Pharmaceutical. The highest intraday increase was 10%, down 4%, and the largest retracement was 14%.