Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market

Studies that quantify the price impact of the information in corporate press releases and news articles mainly focus on quantitative news, such as earnings announcements, dividends, and financial performance-related events, but leave out other corporate news events. Those that do so generally focus...

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Main Authors: Likittanawong Supawat, Leemakdej Arnat
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:International Journal of Financial Studies
Subjects:
Online Access:https://www.mdpi.com/2227-7072/11/3/111
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author Likittanawong Supawat
Leemakdej Arnat
author_facet Likittanawong Supawat
Leemakdej Arnat
author_sort Likittanawong Supawat
collection DOAJ
description Studies that quantify the price impact of the information in corporate press releases and news articles mainly focus on quantitative news, such as earnings announcements, dividends, and financial performance-related events, but leave out other corporate news events. Those that do so generally focus on one source of information and do not compare the price impacts from different information sources. Our study aimed to extend previous studies by quantifying and comparing market reactions to corporate press releases and news articles across different news categories. We classified and categorized 100,960 news items, encompassing 26,546 corporate press releases and 74,414 news articles, of 615 firms in the Stock Exchange of Thailand between 1 January 2017 and 31 December 2019. These news items were classified into categories based on the information contained in corporate press releases and news articles. We then studied the market reactions to these news categories. We found that the price impact from corporate releases is sustained for both positive and negative news categories. Our results also show that the positive price impact for news reported by the media tends to reverse, consistent with prior studies. In contrast, the negative price impact from news articles holds; this result differs from previous studies. Our data also show that managers tend to leak and recycle good news while the release of bad news is delayed.
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spelling doaj.art-794ed23d8156461e9414fff00e44981b2023-09-27T13:11:11ZengMDPI AGInternational Journal of Financial Studies2227-70722023-09-011111111110.3390/ijfs11030111Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock MarketLikittanawong Supawat0Leemakdej Arnat1Faculty of Commerce and Accountancy, Thammasat University, Bangkok 10200, ThailandFaculty of Commerce and Accountancy, Thammasat University, Bangkok 10200, ThailandStudies that quantify the price impact of the information in corporate press releases and news articles mainly focus on quantitative news, such as earnings announcements, dividends, and financial performance-related events, but leave out other corporate news events. Those that do so generally focus on one source of information and do not compare the price impacts from different information sources. Our study aimed to extend previous studies by quantifying and comparing market reactions to corporate press releases and news articles across different news categories. We classified and categorized 100,960 news items, encompassing 26,546 corporate press releases and 74,414 news articles, of 615 firms in the Stock Exchange of Thailand between 1 January 2017 and 31 December 2019. These news items were classified into categories based on the information contained in corporate press releases and news articles. We then studied the market reactions to these news categories. We found that the price impact from corporate releases is sustained for both positive and negative news categories. Our results also show that the positive price impact for news reported by the media tends to reverse, consistent with prior studies. In contrast, the negative price impact from news articles holds; this result differs from previous studies. Our data also show that managers tend to leak and recycle good news while the release of bad news is delayed.https://www.mdpi.com/2227-7072/11/3/111agency theorycorporate press releasesnews articlesdisclosuremarket reactionsprice impact
spellingShingle Likittanawong Supawat
Leemakdej Arnat
Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market
International Journal of Financial Studies
agency theory
corporate press releases
news articles
disclosure
market reactions
price impact
title Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market
title_full Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market
title_fullStr Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market
title_full_unstemmed Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market
title_short Market Reaction to Corporate Releases and News Articles: Evidence from Thailand’s Stock Market
title_sort market reaction to corporate releases and news articles evidence from thailand s stock market
topic agency theory
corporate press releases
news articles
disclosure
market reactions
price impact
url https://www.mdpi.com/2227-7072/11/3/111
work_keys_str_mv AT likittanawongsupawat marketreactiontocorporatereleasesandnewsarticlesevidencefromthailandsstockmarket
AT leemakdejarnat marketreactiontocorporatereleasesandnewsarticlesevidencefromthailandsstockmarket