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TrustFinance Global Insights
May 12, 2026
2 min read
34

Portugal's benchmark stock index, the PSI, experienced a significant decline at the close of Tuesday's trading session, falling 1.26 percent to establish a new one-month low. The downturn was driven by broad-based losses across several key industries.
The main drivers behind the market's negative performance were losses in the Utilities, Consumer Services, and Basic Materials sectors. The overall market sentiment was bearish, with falling stocks outnumbering advancing ones on the Lisbon Stock Exchange by a margin of 18 to 6, while 5 stocks remained unchanged.
Among the session's worst performers was Semapa, which saw its shares drop by 4.19 percent. EDP Renovaveis also declined significantly by 3.44 percent, followed by Mota Engil, which was down 2.87 percent.
On the positive side, Galp Energia Nom bucked the trend, rising 1.68 percent. CTT Correios de Portugal SA also recorded a gain, adding 1.18 percent to its share price.
The sharp decline in the PSI index reflects investor concerns within key domestic sectors. While some energy and service stocks showed resilience, the widespread losses indicate a cautious outlook for the Portuguese market in the near term.
Q: Why did the Portuguese stock market fall?
A: The market fell primarily due to significant losses in the Utilities, Consumer Services, and Basic Materials sectors.
Q: Which company was the best performer on the PSI index?
A: Galp Energia Nom was the session's best performer, with its stock rising 1.68 percent.
Source: Investing.com

TrustFinance Global Insights
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