截至2019 年7 月15 日，共1799 家上市公司发布业绩预告，占比50%，低于2018 年中报预告披露率56.7%。主板、中小板、创业板披露公司数量占比分别为21.1%、50.2%和99.6%，创业板可参考性更强。2019 年中报预期全A 正面预告比例环比继续下降。

科创板首批公司初步询价结果已经出炉，25 家公司拟融资规模310 亿元，实际募资规模370 亿元，超募60 亿元，平均每家企业超募2.37 亿，平均超募比例达到35%，整体超募比例约20%，发行溢价明显。超募成为科创板IPO 的普遍现象。

Veterinary molecular diagnostics refer to the molecular diagnostic techniques that are employed to analyze samples originating from animals (companion, domestic, etc.) Developments in the farm animals sector and changing societal attitude towards pet animals have resulted in an increased demand for fast and reliable diagnostic techniques. Molecular diagnostics possess the potential to address this growing demand.

RNAi has emerged as one of the promising tools for the biological research. It has also become a key research tool, and is routinely used by the scientists, as it offers many advantages over the more traditional technologies. The ability of RNAi to target specific genes for silencing has extended its use into the development of new experimental therapeutic approaches for various diseases, such as cancer, neuro-degeneration, and AIDS. Although successful results have been achieved in animal models, the development of new and innovative techniques is one of the crucial for the acceleration of RNAi-based approaches.

‘Laboratory equipment’ is the general term used for all types of equipment needed for operations in various laboratories. This equipment can either perform an experiment or take measurements to gather information which benefits researchers, scientists, etc.

Industrial microbiology is a division of biotechnology that holds microbial sciences and industries together, which is all about screening, manipulation, and administration of microorganism, in order to produce useful products on a large scale. Several microorganisms are used in industrial microbiology, including laboratory selected mutants, naturally occurring organisms, and genetically modified organisms (GMOs).