positive change in the price of COL's share which was the fact that a subsidiary of a public company limited, shall make a tender offer to purchase all of COL’s shares at higher price than their market

Miss Patcharapat Tongwaen Miss Patcharapat Tongwaen colluded with Mr. Worawoot Ounjai who was the insider which knew or possessed an inside information material which might affect to positive change

of voluntary information disclosure via social media, firms would be facing incentives to only release positive news…but do they? • Trueman (1997) proposes a model showing that rational managers also

. • In other words, firms prefer reporting small profits to reporting losses, showing increasing earnings over previous periods’ earnings, and announcing positive earnings surprises relative to analysts

., 2009). Their evidence indicates that there are valuation premiums for firms surpassing three benchmarks. Several studies suggest that incremental positive effects on prices or returns, also known as

provide a margin of safety with a potential positive returns. Hypothesis construction • Result expectations: Types of investors Total volume imbalances Marketable volume imbalances Retail investors

if the value of their investment decreases Source: Stanford Graduate School of Business Sustainable investment ในตา่งประเทศ SEC Classification : ใชภ้ายใน (Internal) 4 Negative spread Positive spread

effective sales and marketing strategies continued from year 2017 including the launching of new products which were got positive feedback from the customers. Besides, the product segment management and the

projects occurred. The group received positive effect from installation work 78.33 million Baht, from 71.84 million Baht in the year 2016. In 2017, there were other Income at 30.56 million Baht decreased

product. In addition, our engineering business saw the signing of a new project in Indonesia, which will bring positive EBITDA to the business in Q2 to Q4 period. A contingency plan to mitigate the impacts