Transportation network company Uber has had a rocky start with its New York Stock Exchange debut, with shares sinking almost 9%.

Car-hailing company Uber Technologies is aiming for a valuation of up to $91.5bn (€82bn) in its initial public offering, potentially the largest US listing in years and a test of investor appetite for a high-growth but highly unprofitable business.

Uber Technologies has decided it will seek to sell around $10bn (€8.8bn) worth of shares in its initial public offering, according to sources.

An American multi-national tolling technology company has failed in a High Court challenge to the awarding of the €200m-€400m contract to operate tolls on the M50 and on other roads in Ireland.

Taoiseach Leo Varadkar and Fianna Fáil leader Micheál Martin are to meet later this month in a bid to extend the confidence and supply deal.

Taoiseach Leo Varadkar has said ensuring there is no border with Northern Ireland is more important than trade considerations.

Ireland’s bid to gain a seat on the United Nations Security Council got off to a rocking start as more than 190 ambassadors were guests of Ireland at U2’s sold-out show at Madison Square Garden in New York last night.

The $23bn (€18.6bn) debut trading day for Spotify, the music streaming service, helped lighten the gloom for embattled technology shares and gave European stock markets their first lift in over a week.

US stocks finished mostly lower in another choppy day of trading after a midday rally faded.

A modest move for the Standard & Poor's 500 on Monday masked some dramatic changes roiling underneath the surface.

A modest move for the Standard & Poor's 500 today masked some dramatic changes roiling underneath the surface.

Twitter shares surged after third-quarter earnings beat expectations, while investors shrugged off a company mistake that resulted in an over-estimation of monthly active users going back three years.

Apple made its biggest jump in six months on Wednesday, helping send the Dow Jones industrial average above 22,000 points for the first time.

US stocks rose today as banks continued to climb along with interest rates, and energy companies rallied again with oil prices.

US stock indexes nudged higher today after energy companies clawed back some of their sharp losses from earlier in the week.

US stock indexes edged lower for the second day in a row as a sharp drop for banks and a rare loss for technology companies cancelled out gains for drug makers and consumer-focused companies.

Disappointing quarterly results from Macy's, Kohl's and other big department store chains put investors in a selling mood, sending US stocks lower.

Stocks held steady in a calm day of trading today in the US, but the storm may be coming.

Bank stocks have jumped on hopes that bigger profits are ahead and US indexes again pushed to record highs.

Stocks around the world continued their march higher on Monday, and US indexes again hit new highs.

Wall Street capped a subdued day of trading today with a tiny gain and another milestone.

Manchester United can expect to recoup most of the world-record fee they paid for Paul Pogba in commercial revenue the midfielder generates, according to a leading football financial expert.

US stocks edged higher overnight as energy companies climbed with the price of oil.

IT’S HARD to imagine a better opportunity for the players to ease their way into the Open Championship than yesterday, writes John McHenry.

London’s top-flight index sunk deeper into the red as it came under pressure from sliding commodity stocks and a slump from the supermarkets.

The legend that is Warren Buffett spread in an even wider arc around the globe at the weekend, as the iconic Berkshire-Hathaway annual general meeting streamed live on the internet for the first time.

Deutsche Boerse and London Stock Exchange (LSE) agreed to combine in a $30 billion (€27bn) deal to create a European trading powerhouse better able to compete with US rivals encroaching on their turf.

The London Stock Exchange and German rival Deutsche Borse revealed plans to save more than €448m a year as they agreed a tie-up to create an exchange giant worth more than €26bn.

A travel ban for the New York area was lifted but Washington was still at a standstill after a blizzard paralysed the north-eastern United States, killing at least 24 people.

Good afternoon. Here’s all the news you need to know this lunchtime.

Digicel Group, the mobile-services company owned by Irish billionaire Denis O’Brien, plans to raise as much as $2.3 billion (€2.06bn) from an initial public offering and listing on New York Stock Exchange.

Digicel Group, the mobile-services company owned by Denis O’Brien, is planning to raise $1.5bn-$2bn (€1.78bn) in an initial public offering as soon as this month, people with knowledge of the matter said.

World stock markets plunged yesterday, as a near 9% dive in China shares and a sharp drop in the dollar and major commodities sent investors rushing for the exit.

Avolon, the Irish aircraft leasing giant operated by Dómhnal Slattery, has entered exclusive talks which could likely see it bought out in the next few weeks for $2.6bn (€2.37bn).

Irish-owned glass and packaging group Ardagh has returned to profit mere months ahead of its planned partial flotation on the New York Stock Exchange.

The CEO of Dublin-based Avolon, Domhnal Slattery, is set for a €31.28m windfall if a planned takeover of his aircraft leasing firm succeeds.