Portugal’s PSI stock index closed lower as energy prices returned as a source of pressure on European markets. Most European trading venues finished in the red during the session. Energy-related shares were a central focus as investors weighed the renewed cost pressure. The PSI posted losses for a second consecutive session, extending its recent slide. The report does not give the index’s exact percentage decline or its closing level. It also does not identify the individual energy companies or other listed stocks that drove the move.