Lisbon, March 23, 2026 (Lusa) - The Lisbon stock market was trading lower on Monday, in line with other European markets, with 14 stocks of the PSI (Portuguese Stock Index) falling, led by Semapa, which dropped 3.15% to €20. Around 9:40 a.m. in Lisbon, the PSI accentuated the opening trend and fell 1.69% to 8,606.56 points, with 14 companies down, one up (CTT, +0.52% to €5.76) and one maintaining its price (Ibersol at €10.60).
Semapa's shares were followed by those of Teixeira Duarte, EDP Renováveis and EDP, which fell 2.96% to €0.39, 2.78% to €12.59 and 2.22% to €4.18, respectively.
Shares in BCP and NOS fell 1.95% to €0.77 and 1.90% to €5.15, respectively, as did those in Jerónimo Martins, Navigator and REN, which fell 1.88% to €19.80, 1.77% to €3.11 and 1.72% to €3.70.
Also falling by more than 1%, Corticeira Amorim and Altri fell 1.30% to €6.09 and 1.10% to €4.49.
The other three shares that also depreciated were Galp (-0.70% to €21.17), Mota-Engil (-0.64% to €4.02) and Sonae (-0.46% to €1.73).
The main European bourses opened sharply lower on Monday following a new threat by US President Donald Trump to destroy Iran's power plants if it does not open the Strait of Hormuz.
With the euro weakening 0.27% to $1.1537, the Euro Stoxx600 fell 1.68% to 563.64 points.
US index futures point to falls of 0.90% for the Nasdaq and 0.61% for the Dow Jones.
Market tension increased after Trump issued a 48-hour ultimatum to Iran this weekend, which ends on Monday night, to open the Strait of Hormuz or face the destruction of its energy facilities.
Tehran responded to the threat, stating that it will close the Strait completely and attack the energy facilities of its Arab neighbours.
The price of Brent crude oil, the benchmark in Europe, rose to $113.24 at this time.
Natural gas for delivery in April on the Dutch TTF market, the European benchmark, also rose to €61.80 per megawatt-hour (MWh), compared to €59.25 on Friday.
In the debt market, interest on Germany's 10-year bond soared to 3.057%, up from 3.041% on Friday.
MC/LYT // ADB.
Lusa
