Short on drugs: Short selling during the drug development process

被引:4
|
作者
Berkman, Henk [1 ]
Eugster, Marco [1 ]
机构
[1] Univ Auckland, Business Sch, Dept Accounting & Finance, Auckland, New Zealand
关键词
Short selling; Drug development; FDA announcements; Insider trading; Private information; SHORT-SELLERS; EARNINGS ANNOUNCEMENTS; PRIVATE INFORMATION; EQUITY OFFERINGS; INSIDER SALES; HEDGE FUNDS; FIRMS; MARKET; NEWS;
D O I
10.1016/j.finmar.2017.02.001
中图分类号
F8 [财政、金融];
学科分类号
0202 ;
摘要
Announcements related to the drug development process can have a profound impact on the market value of firms operating in the pharmaceutical and healthcare industries. We examine a large number of these events and document a strong negative relation between short selling during the days leading up to an event's announcement and the announcement return. Several additional tests indicate that insider information is a likely source for at least part of this profitable trading activity. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:102 / 123
页数:22
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