Istanbul Stock Exchange: Who Soared and Who Sank Last Week?

**Borsa Istanbul Navigates Volatile Week, Işıklar Enerji Shines Amidst Declines**

Istanbul Stock Exchange: Who Soared and Who Sank L...

Istanbul, Turkey – The Borsa Istanbul (BIST) 100 index concluded a turbulent week with a slight dip, shedding 0.43% to close at 10,924.53 points, according to data released at the close of trading on November 7, 2025. The week, spanning November 3rd to 7th, was marked by significant fluctuations, with the index experiencing a low of 10,848.97 and a high of 11,152.28.

The volatility stemmed from a confluence

The volatility stemmed from a confluence of factors, including a busy economic agenda and the release of corporate balance sheets, which amplified price swings in individual stocks. Market participants were also keenly observing incoming economic data, which further influenced the BIST 100's trajectory.

While the overall index experienced a minor setback, certain sectors displayed divergent performances. The banking index managed to eke out a gain of 0.35%, suggesting resilience in the financial sector. Conversely, the industrial index faced headwinds, declining by 1.17%, indicating potential challenges within the manufacturing and production sectors.

Despite the generally cautious market sentiment, Işıklar Enerji Holding emerged as the week's star performer, soaring by an impressive 40%. The company's strong performance provided a bright spot amidst the broader market uncertainty, demonstrating the potential for significant gains even in a volatile environment.

However, not all stocks fared so well

However, not all stocks fared so well. Grainturk Holding (GRTHO) experienced the most significant decline, plummeting by 28.66%. Tofaş (TOASO) and Kocaer Çelik (KCAER) followed suit, registering losses of 12.96% and 12.53% respectively, continuing a trend of losses observed in the previous week for some of these companies.

Trading volume on the BIST 100 remained robust, exceeding 618 billion 222 million Turkish Lira. Turkish Airlines (THYAO) dominated trading activity, with a volume of 41 billion 389 million TL. Ereğli Demir Çelik (EREGL) and İş Bankası (ISCTR) also saw substantial trading volumes, registering 36 billion 735 million TL and 30 billion 890 million TL respectively, highlighting their continued significance within the Turkish market.

Looking ahead, investors will likely continue to monitor economic data releases, corporate earnings reports, and geopolitical developments to gauge the future direction of the Borsa Istanbul. The market's sensitivity to these factors suggests that volatility may persist in the near term.