The BIST 100 index on Borsa Istanbul began the first trading day of the week at 14,339.28 points, down 127.97 points from its previous close. The index's daily loss stood at 0.88%.
The BIST 100, which followed a buying-oriented trend on Friday, ended the day up 0.51% at 14,467.25 points.
Sector indexes decline
At the opening, the banking index fell 1.07% and the holding companies index declined 0.68%. Among sector indexes, chemicals, petroleum and plastics was the only sector to rise, gaining 0.36%, while the largest decline was recorded in the information technology index, which fell 2.64%.
Mixed outlook in global markets
Global markets are following a mixed course amid concerns that artificial intelligence companies could slow the pace of technology development and rising geopolitical risks.
While the domestic data agenda is expected to remain calm, remarks by European Central Bank President Christine Lagarde will be followed abroad.
Technically, 14,200 and 14,100 points stand out as support levels for the BIST 100 index, while 14,500 and 14,600 points are seen as resistance levels.