The week's top gainers and losers on the stock market

The BIST 100 index at Borsa Istanbul lost 3.28 percent of its value between November 10-14, 2025, finishing the week at 10,565.74 points. During this period, the index saw a low of 10,373.75 points and a high of 11,044.47 points. Global and local economic data were influential in the index's performance.

The banking, industrial, and holding indices experienced declines of 3.85 percent, 3.89 percent, and 3.66 percent, respectively. However, despite this downward trend, some companies provided gains for their investors.

THE WEEK'S TOP GAINERS

Türk Altın İşletmeleri (KOZAL) was the week's top gainer with an increase of 18.87 percent. It was followed by Eczacıbaşı İlaç (ECILC), which gained 12.59 percent, and Fenerbahçe (FENER), which rose by 12.35 percent.

THE WEEK'S TOP LOSERS

On the other hand, Kuyaş Yatırım (KUYAS) lost 14.57 percent, Çan2 Termik (CANTE) lost 12.18 percent, and Kontrolmatik (KONTR) lost 11.24 percent, ranking among the week's biggest losers.

COMPANIES WITH THE HIGHEST MARKET CAPITALIZATION

In terms of market capitalization on Borsa Istanbul, ASELSAN (ASELS) maintained its lead with 802 billion 506 million TL. It was followed by Garanti BBVA (GARAN) with 542 billion 640 million TL and Enka İnşaat (ENKAI) with 444 billion TL.

HIGHLIGHTS IN TRADING VOLUME

The total trading volume in the BIST 100 index exceeded 653 billion 122 million TL. Türk Hava Yolları (THYAO) was the stock with the highest trading volume at 54 billion 701 million TL, while Türk Altın İşletmeleri (KOZAL) with 37 billion 920 million TL and Akbank (AKBNK) with 29 billion 188 million TL also drew attention.

News Source: 12punto