Stock Markets August 5, 2026 11:30 AM

Istanbul bourse edges up as select industrial and chemical names climb

BIST 100 posts a modest gain of 0.11% as Tekfen, CW Enerji and Anadolu Metal lead winners; declines outnumber advances

By Derek Hwang
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Turkey's main equity gauge closed slightly higher, propelled by gains in chemical, petroleum & plastic, textile & leather and industrial stocks. The BIST 100 finished the session up 0.11% as a handful of large movers pushed prices higher while decliners outpaced advancers across the exchange. Commodity and foreign-exchange moves also accompanied the equity action.

Istanbul bourse edges up as select industrial and chemical names climb
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Key Points

  • BIST 100 closed up 0.11%, buoyed by gains in Chemical, Petroleum & Plastic, Textile & Leather and Industrials sectors.
  • Top gainers included Tekfen Holding (IS:TKFEN) +9.98% to 185.10, CW Enerji (IS:CWENE) +7.44% to 44.20, and Anadolu Metal (IS:TRMET) +7.21% to 135.30.
  • Decliners outnumbered advancers 379 to 237, with notable falls from Reeder Teknoloji (IS:REEDR) -10.00%, Sekerbank (IS:SKBNK) -7.30% and Odine Solutions (IS:ODINE) -5.51%.

Turkey's stock market ended the trading day with modest gains on Wednesday, with sector strength in Chemicals, Petroleum & Plastic, Textile & Leather and Industrials supporting a small advance in the benchmark index.

At the close in Istanbul, the BIST 100 rose 0.11%.

The session's top performers were led by Tekfen Holding AS (IS:TKFEN), which surged 9.98% - a rise of 16.80 points - to finish at 185.10. Cw Enerji Muhendislik Ticaret ve Sanayi AS (IS:CWENE) added 7.44%, or 3.06 points, to close at 44.20, while Anadolu Metal Madencilik Isletmeleri AS (IS:TRMET) advanced 7.21% - gaining 9.10 points - to end the day at 135.30.

On the downside, Reeder Teknoloji Sanayi Ve Ticaret AS (IS:REEDR) led decliners, slipping 10.00% or 0.71 points to close at 6.39. Sekerbank TAS (IS:SKBNK) fell 7.30%, losing 0.47 points to end at 5.97. Odine Solutions Teknoloji Ticaret ve Sanayi AS (IS:ODINE) declined 5.51%, ending the session at 2,745.00 after a drop of 160.00 points.

Market breadth was negative: falling stocks outnumbered advancing ones on the Istanbul Stock Exchange by 379 to 237, with 22 issues finishing unchanged.

Two notable intraday milestones occurred during the session. Shares of Tekfen Holding AS (IS:TKFEN) rose to an all-time high, climbing 9.98% to 185.10. Cw Enerji Muhendislik Ticaret ve Sanayi AS (IS:CWENE) moved to a 52-week high, gaining 7.44% to close at 44.20.


Commodities and currency moves accompanied the equity session. December Gold Futures increased 3.91%, rising by $162.35 to $4,314.95 per troy ounce. In energy markets, crude oil for September delivery fell 0.75%, or $0.57, to $75.20 a barrel, while the October Brent contract slipped 0.35%, down $0.28 to $79.08 a barrel.

On the currency front, USD/TRY rose 0.10% to 47.58, and EUR/TRY gained 0.20% to 54.97. The US Dollar Index Futures eased 0.15% to 99.59.


Overall, the session saw selective strength among certain industrial and materials names, while a larger number of listings finished lower, producing mixed internals for the Istanbul market.

Risks

  • Market breadth was negative with more decliners than advancers, signaling uneven participation across sectors - this could affect Industrials and mid-cap listings.
  • Notable declines in bank and technology-related names, such as Sekerbank (IS:SKBNK) and Reeder Teknoloji (IS:REEDR), introduce downside risk for financial and tech-linked sectors.
  • Movements in commodities and FX — including a sharp rise in gold and a drop in crude oil, plus changes in USD/TRY and EUR/TRY — create uncertainty for resource, energy and import-dependent sectors.

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