The BIST 100 index in Borsa Istanbul lost 0.35 percent of its value in the first half of the day, falling to 14,102.43 points.
BIST 100 index, which moved in a downward trend in the first half of the day, dropped to 14,102.43 points as of 13:00, with a decrease of 49.15 points and 0.35 percent compared to the previous closing.
The total transaction volume was 105.2 billion lira. While the banking index gained 0.73 percent, the holding index lost 0.44 percent.
Among the sector indices, the one that gained the most was real estate investment trust with 1.48 percent, and the one that lost the most was informatics with 2.54 percent.
Geopolitical risks in the Middle East and the rise in oil prices cause an increase in risk perception in global markets.
Analysts stated that the data agenda at home and abroad is calm today, and noted that technically, 14,000 and 13,900 points in the BIST 100 index are support, and 14,300 and 14,400 points are resistance.