Stock Markets June 2, 2026 11:30 AM

Istanbul Shares Climb as BIST 100 Advances 3.62%; Tech and Industrial Names Lead

Broad-based gains push Turkish benchmark higher while select heavyweights see notable moves; currency and commodity markets show mixed signals

By Avery Klein

The BIST 100 index closed higher, up 3.62% as technology, metal products & machinery and telecommunications sectors led gains. Several mid- and small-cap names registered double-digit percentage moves, while a handful of firms posted declines. Commodity and FX markets showed modest shifts, with gold futures higher and crude oil slightly lower.

Istanbul Shares Climb as BIST 100 Advances 3.62%; Tech and Industrial Names Lead

Key Points

  • BIST 100 closed up 3.62%, led by Technology, Metal Products & Machinery and Telecoms sectors.
  • Top individual gains: GESAN (+10.00%), EUPWR (+9.99%), ASTOR (+9.98%); largest declines: RALYH (-5.60%), BRYAT (-2.34%), BSOKE (-1.95%).
  • Commodity and FX moves were mixed: August gold futures rose, while July crude and August Brent declined slightly; USD/TRY and EUR/TRY were higher.

Stocks in Turkey ended the trading session higher, with the BIST 100 rising 3.62% at the close in Istanbul. Gains were concentrated in the Technology, Metal Products & Machinery and Telecoms sectors and helped lift the broader market.

The session's top performers on the BIST 100 included Girisim Elektrik Taahhut Ticaret & Sanayi AS (IS:GESAN), which jumped 10.00% - a 7.10-point increase - to finish at 78.10. Europower Enerji ve Otomasyon Teknolojileri Sanayi Ticaret AS (IS:EUPWR) climbed 9.99% or 7.45 points to end the day at 82.05. Astor Enerji AS (IS:ASTOR) also posted a strong gain of 9.98% - rising 33.00 points - to close at 363.50.

On the downside, Ral Yatirim Holding AS (IS:RALYH) recorded the largest decline among the benchmark constituents, falling 5.60% or 12.60 points to close at 212.40. Borusan Yatirim ve Pazarlama AS (IS:BRYAT) dropped 2.34% - down 48.00 points - to finish at 2,001.00, and Batisoke Soke Cimento Sanayi TAS (IS:BSOKE) slipped 1.95% or 0.74 points to end at 37.24.

Market internals favored advancing issues: 491 stocks rose, 121 fell and 13 were unchanged on the Istanbul Stock Exchange.

Notable price milestones were hit during the session. Shares of Girisim Elektrik Taahhut Ticaret & Sanayi AS reached 52-week highs following the 10.00% advance to 78.10. Astor Enerji AS climbed to an all-time high, finishing at 363.50 after its 9.98% rise.

Commodities trading showed mixed movement. Gold futures for August delivery increased 0.59% - gaining 26.70 - to trade at $4,533.00 a troy ounce. Crude oil prices were slightly lower: the July contract lost 0.27% or $0.25 to settle at $91.91 a barrel, while the August Brent contract declined 0.18% or $0.17 to $94.81 a barrel.

In currency markets, USD/TRY rose 0.07% to 45.93 and EUR/TRY increased 0.12% to 53.49. The U.S. Dollar Index Futures was down 0.03% at 99.12.


Market context

The session featured broad participation from multiple sectors, with technology, industrial machinery and telecommunications companies among the leaders. Several individual stocks produced large percentage moves that contributed to the benchmark advance, while a smaller set of names weighed on the index with single-digit declines.

Trading breadth

  • Advancers: 491
  • Decliners: 121
  • Unchanged: 13

Selected indicators

  • BIST 100: +3.62%
  • Gold Futures (Aug): +0.59% to $4,533.00/oz
  • Crude Oil (Jul): -0.27% to $91.91/bbl
  • Brent Oil (Aug): -0.18% to $94.81/bbl
  • USD/TRY: 45.93 (+0.07%)
  • EUR/TRY: 53.49 (+0.12%)
  • U.S. Dollar Index Futures: 99.12 (-0.03%)

This summary reflects the closing price moves, sector patterns and selected commodity and FX readings reported for the trading session in Istanbul.

Risks

  • A subset of benchmark names posted notable declines that offset some of the market advance - impacting financials and industrial-related portfolios.
  • Volatility in commodities such as crude oil, which moved modestly lower, may affect energy-linked sectors and trading strategies.
  • Currency fluctuations in USD/TRY and EUR/TRY introduce exchange-rate risk for dollar- or euro-linked exposures.

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