
Stock market's biggest winners and losers of the week
The BIST 100 index on Borsa Istanbul ended the October 26–30 trading week down 3.22% at 10,759.56 points.
Despite the benchmark index's decline, several stocks delivered double-digit gains for investors. Doğuş Otomotiv (DOAS) was the week's top performer, rising 14.24%, followed by Astor Enerji (ASTOR) with an 11.43% gain and Kıraç Galvaniz (TCKRC) with an 11.35% increase. Tekfen Holding (TKFEN) and Enerya Enerji (ENERY) were also among the strongest performers, climbing 9.50% and 9.06%, respectively.
Meanwhile, losses exceeded 20% in some stocks facing heavy selling pressure. Pasifik Holding (PAHOL) recorded the steepest weekly decline, falling 21.35%. Türkiye Sigorta (TURSG) dropped 21.10%, Zorlu Enerji (ZOREN) lost 16.91%, Gübre Fabrikaları (GUBRF) declined 16.16%, and Vestel Elektronik (VESTL) fell 14.97%. The weekly figures highlight continued selling pressure across the BIST 100 and an increasingly pronounced divergence in individual stock performance.


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