Markets optimistic about signs of progress in US-Iran peace talks

Tech stocks slip on AI spending boom concerns

Irish stock exchange slides more than 1%, London’s FTSE 100 down 0.6%

But UK’s largest supermarket chain posts flat full-year profits

Rule adjustments being made by index providers are bending long-standing norms to accommodate a single company

Poor succession planning and shareholder pressures have contributed to faltering growth in representation

Stoxx 600 index reverses earlier declines to close 0.2 per cent higher

Kingspan was the busiest company on Euronext Dublin as it finished up 1.9% after more than 71 million shares were traded

Positive legislative developments for the construction sector in the UK helped the FTSE to a record high.

Novo Nordisk gained after US firm cancelled competitor to weight-loss drug

Irish market ends week on positive note, lifted by gains in banking and travel stocks

Luxury stocks a drag on European shares

Five FTSE 250 groups valued more highly by the market than Ireland’s last member of blue chip index

Ryanair chief executive Michael O’Leary saw his company’s shares advance amid row with Elon Musk

Tensions dent sentiment amid positive start to the year

DCC buying US-based UGI Group’s liquid gas businesses in Poland, Hungary, Czechia and Slovakia

AstraZeneca gained after ⁠the drugmaker agreed to buy Boston-based Modella AI

Stoxx 600 index added to gains after breaking the 600 mark for the first time on Monday

Traders eye up UK budget due to be announced tomorrow

Dublin market lagged behind neighbouring markets