ศึกษาหาความสัมพันธ์ระหว่างอัตราผลตอบแทน (return) ความผันผวนของอัตราผลตอบแทน (volatility) และปริมาณการซื้อขายหลักทรัพย์ (volume) ของผู้ลงทุนแต่ละประเภทในตลาดหลักทรัพย์แห่งประเทศไทย (SET) เพื่อวิเคราะห์หา
that YCI shares were traded in big volumes. Such manipulation caused the price and the trading volume of YCI shares to be inconsistent with the normal market condition. In so doing, Siwasit was assisted
materially high volume. {A}'s conducts were deemed trading securities on behalf of the client using his own decision, which was an interference with client's assets and non-compliance with standards of conduct
and stabilizing the share price as well as matching the trading among those aforesaid accounts in concealment to mislead the public about such share price and trading volume. He had also traded ASCON
clients showed trading transactions made on a continual basis and in high volume but the source of orders was not found. Besides, {A} persuaded the clients to trade securities where he was the one
accounts of several groups of people to buy and sell both securities in a manner that boosted up share prices by sending trading orders in great volume with different price levels, taking both bid and offer
retail investors, compared to others, concentrated in the most active trading volume of securities with a high price to earnings (P/E) ratio as well as those put under cash balance rule. Most of those
subsequently disclosed to the SET, with no required approval from the Shareowners’ Meeting. - Transaction volume : Not within the scope of criteria regarding regulation on acquisition or disposition of listed
THB 4,139.81 million or 95.05% respectively. 2. Cost of palm oil refining service in the fiscal year 2015 and 2014 was THB 37 million or 80.77% of the volume of refining service and THB 78.13 million or