{"title":"拉开帷幕，在公司公布收益之前，有关公司经济事件的新闻是否有助于投资者理解收益意外的背景？","authors":"Justin Deng","doi":"10.1016/j.jcae.2025.100478","DOIUrl":null,"url":null,"abstract":"<div><div>This paper examines how news released throughout the prior quarter helps investors contextualize future earnings surprises. I find that news detailing specific firm events, or “event-based news releases,” in the quarter leading up to the earnings announcement reduces post-earnings announcement drift (+2, +60), but, interestingly, that Form 8-Ks are <em>in</em>effective in reducing this mispricing. To investigate this difference, I find that event-based news releases without an associated Form 8-K are much more likely to disclose events related to the firm’s core operations and specifically product and client announcements compared with event-based news releases that have an associated Form 8-K. I also compare total news releases with event-based news releases and find that event-based news releases specifically are associated with a reduction in post-earnings announcement drift. Lastly, I find that event-based news releases are more effective at reducing drift for firms with less disaggregated income statements and prior to the filing of the Form 10-Q/Form 10-K.</div></div>","PeriodicalId":46693,"journal":{"name":"Journal of Contemporary Accounting & Economics","volume":"21 3","pages":"Article 100478"},"PeriodicalIF":2.9000,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Pulling back the curtain, does news about a firm’s economic events before the earnings announcement help investors contextualize earnings surprise?\",\"authors\":\"Justin Deng\",\"doi\":\"10.1016/j.jcae.2025.100478\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This paper examines how news released throughout the prior quarter helps investors contextualize future earnings surprises. I find that news detailing specific firm events, or “event-based news releases,” in the quarter leading up to the earnings announcement reduces post-earnings announcement drift (+2, +60), but, interestingly, that Form 8-Ks are <em>in</em>effective in reducing this mispricing. To investigate this difference, I find that event-based news releases without an associated Form 8-K are much more likely to disclose events related to the firm’s core operations and specifically product and client announcements compared with event-based news releases that have an associated Form 8-K. I also compare total news releases with event-based news releases and find that event-based news releases specifically are associated with a reduction in post-earnings announcement drift. Lastly, I find that event-based news releases are more effective at reducing drift for firms with less disaggregated income statements and prior to the filing of the Form 10-Q/Form 10-K.</div></div>\",\"PeriodicalId\":46693,\"journal\":{\"name\":\"Journal of Contemporary Accounting & Economics\",\"volume\":\"21 3\",\"pages\":\"Article 100478\"},\"PeriodicalIF\":2.9000,\"publicationDate\":\"2025-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Contemporary Accounting & Economics\",\"FirstCategoryId\":\"96\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1815566925000256\",\"RegionNum\":3,\"RegionCategory\":\"管理学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"BUSINESS, FINANCE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Contemporary Accounting & Economics","FirstCategoryId":"96","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1815566925000256","RegionNum":3,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
Pulling back the curtain, does news about a firm’s economic events before the earnings announcement help investors contextualize earnings surprise?
This paper examines how news released throughout the prior quarter helps investors contextualize future earnings surprises. I find that news detailing specific firm events, or “event-based news releases,” in the quarter leading up to the earnings announcement reduces post-earnings announcement drift (+2, +60), but, interestingly, that Form 8-Ks are ineffective in reducing this mispricing. To investigate this difference, I find that event-based news releases without an associated Form 8-K are much more likely to disclose events related to the firm’s core operations and specifically product and client announcements compared with event-based news releases that have an associated Form 8-K. I also compare total news releases with event-based news releases and find that event-based news releases specifically are associated with a reduction in post-earnings announcement drift. Lastly, I find that event-based news releases are more effective at reducing drift for firms with less disaggregated income statements and prior to the filing of the Form 10-Q/Form 10-K.
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