Borsa Istanbul Starts Day with Decline: BIST 100 Index Drops to 14,011 Points

At the opening, the index decreased by 50.52 points compared to the previous close, falling 0.36 percent to 14,011.20 points.
President Donald Trump's aggressive stance on customs tariffs and increasing concerns regarding the artificial intelligence sector.
Domestically, the BIST 100 index had started the new week positively after last week's volatile performance, closing Monday with a gain of nearly 1 percent.
However, following these gains, the index entered the new day under selling pressure.
Sectoral Performance and Losses A varied picture emerged across sector indices at the opening.
The banking index lost 0.40 percent, while the holding index became the biggest decliner among sectors with a 1.63 percent drop.
Conversely, the tourism index started the day as the top gainer, rising 0.84 percent.
Technical Levels and Expectations Analysts state that, from a technical perspective, the 13,900 and 13,800 point levels serve as support for the BIST 100 index, while the 14,200 and 14,300 point levels act as resistance.