(Il Sole 24 Ore Radiocor) - Milano, 29 apr - European share prices opened mostly lower, tracking a retreat in US tech stocks ahead of a pivotal Federal Reserve policy meeting.

Market sentiment was dampened by reports that OpenAI missed key revenue and user growth targets, reigniting concerns over the long-term sustainability of the AI boom.

Investors are also bracing for the Federal Reserve's interest rate decision. While a "hold" is widely expected, all eyes are on Chair Jerome Powell in what could be his final meeting before his mandate expires on May 15.

Geopolitical tensions continue to weigh on the backdrop, as Tehran signaled that the war is not over despite US-led ceasefire efforts, and US president Donald Trump reportedly advised aides to prepare for a "prolonged blockade" of Iran.

On the data front, consumer prices in Spain increased by 0.4% compared to the previous month and were up by 3.2% year on year in April, according to preliminary data from statistics institute Ine.

At 0718 GMT, London's FTSE 100 was down 0.37% at 10,294.59 points while in Frankfurt the DAX was 0.07% higher at 24,057.50 points and in Paris the CAC 40 lost 0.20% to 8,087.87 points. Milan's FTSE MIB slumped 0.15% to 47,970.50 points while in Madrid the IBEX 35 was 0.58% lower at.

17,672.48 points.

(RADIOCOR) 29-04-26 09:43:03 (0228) 5 NNNN