BIST 100 index in Borsa Istanbul lost 0.26 percent in the first half of the day and went to 9.371.65 points.
The BIST 100 index, which moves in the first half of the day, decreased to 9.371.65 points with 24.36 points and 0.26 percent decreased compared to the previous closing as of 13.00.
The total transaction volume was 33.3 billion pounds. The banking index lost 0.58 percent and the holding index depreciated by 0.25 percent.
The highest winning of the industry indices was mining with 0.85 percent, and the highest loss was Forest Paper Printing with 1.43 percent.
The negotiation process in the tariffs implemented by the US on the basis of reciprocity increases optimism in global markets, while the markets will be closed in the USA and Europe today.
Analysts, today and abroad, the data agenda will be calm, stating that the technical aspects of the BIST 100 index 9.300 and 9.200 levels support, 9,450 and 9.550 points are resistant, he said.