ISTANBUL - The Istanbul Stock Exchange (IMKB) National-100 Index dropped by 596.68 points in the afternoon session and closed at 40,634.89 points on Thursday.
Stocks lost 1.45 percent in value in this session.
On the daily basis, National-100 Index fell by 23.58 points and stocks lost 0.06 percent in value.
(BRC-AY)