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    Abnormal return on stock split-revisiting the evidence of Thailand during 2009-2018 

    Sedthaporn Tosiriwatanapong; Thananporn Sethjinda; Nopphon Tangjitprom (Assumption University Press, 2020)

    An abnormal return on the stock split is one of the most prominent debates in the finance industry. Positive signaling and optimal trading range hypotheses are underlying principles that are commonly used to describe a positive market reaction to the stocksplit. This research paper focuses specifically on the market’s reactions by the announcement date of the stock split, applying firm size and price range to explore insightful connections. The samples are listed companies in the Stock Exchange of Thailand(MAI excluded) with a stock split from ...
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    The over-reaction effect in the stock exchange of Thailand: an exmpirical study 

    Nitis Pokavattana; Thananporn Sethjinda; Nopphon Tangjitprom (2019)

    One of the main cornerstones of traditional financial theory is the Efficient Market Hypothesis (EMH). However, several violations of EMH have been discovered to the contrary of explanation provided by traditional financial theory. One of the key discoveries was the over-reaction effect of investors to recent information over base-rate data by De Bondt and Thaler (1985), which has been further studied in many different markets. Inspired by the work of De Bondt and Thaler (1985), this study investigated the over-reaction effect in the Stock Exchange ...