Open AccessAnalysis of Abnormal Return and Volume Activity of Telecommunications Sector Shares in Indonesia Before and After Covid-19
Author(s) -
Sumadi Sumadi,
Dewi Tamara,
Purba Yudha Tama,
William William
Publication year - 2021
Publication title -
syntax idea
Language(s) - English
Resource type - Journals
eISSN - 2684-883X
pISSN - 2684-6853
DOI - 10.36418/syntax-idea.v3i11.1575
Subject(s) - stock exchange , covid-19 , business , telecommunications , abnormal return , significant difference , finance , statistics , engineering , mathematics , medicine , disease , pathology , infectious disease (medical specialty)