Lisbon, May 12, 2026 (Lusa) - The Lisbon stock market was trading lower on Tuesday morning, with NOS falling 3.92% to €5.14 and Galp rising 2.39% to €19.55.
At around 9.30 a.m. in Lisbon, the PSI (Portuguese Stock Index) maintained its opening trend and was down 0.24% at 9,144.20 points, with eight companies falling, seven rising and one unchanged (REN at €3.63).
On Monday, NOS announced that net profit rose by 4.7% in Q1, compared with the same period in 2025, to €62 million.
In the same period, consolidated revenue “reached €460.2 million, a 1.9% increase, with a strong contribution from revenue in the IT and cinema and audiovisual segments”, said Miguel Almeida's group.
"In a quarter impacted by the storms that affected much of the central region of Portugal, telecommunications revenue remained in line with the same period in 2025, at €389.8 million, with revenue from the business segment growing by 5.5%," NOS added.
Following NOS shares were EDP Renováveis, Mota-Engil and Jerónimo Martins, which were rising by 1.36% to €14.47, 0.99% to €4.82 and 0.92% to €18.34, respectively.
BCP and Corticeira Amorim were up by 0.8% to €0.92 and 0.14% to €7.08, while Altri and EDP were gaining 0.1% to €4.99 and 0.04% to €4.47.
The other three companies seeing their share prices rise were Teixeira Duarte (up 0.35% to €0.43), Ibersol (up 0.34% to €11.94) and Navigator (up 0.18% to €3.34).
In the opposite direction, CTT, Sonae and Semapa were down by 0.95% to €6.39, 0.85% to €1.91 and 0.42% to €23.95, respectively.
The main European stock markets opened lower on Tuesday morning, with the price of a barrel of Brent Crude rising moderately whilst there remains no peace agreement in Iran and threats from both sides persist.
The euro was down, falling 0.29% to $1.1749 on the Frankfurt foreign stock market.
At around 8.40 a.m. in Lisbon, Dow Jones and Nasdaq futures were pointing to falls of 0.13% and 0.62%, respectively.
At the market open, the price of Brent Crude Oil, the European benchmark, for July delivery rose by 3.49% to $106.18.
Natural gas for one-month delivery on the Dutch TFF market, the European benchmark, rose 2.12% to €47.215 per megawatt-hour (MWh).
The positions of the US and Iran remain far apart, with the former demanding the reopening of the Strait of Hormuz and the dismantling of Iran’s nuclear programme, and the latter calling for the withdrawal of the US military presence as a prerequisite to any agreement.
In this regard, US president Donald Trump warned that the truce with Iran is in a very fragile state, while the Iranian government has signalled that it is prepared for any scenario.
On Tuesday’s macroeconomic calendar, Germany will release the final year-on-year CPI figures for April and the May ZEW survey.
In the US, April inflation figures, and the April NFIB Small Business Optimism Index will also be released.
MC/MYAL // AYLS
Lusa
