Natasha Dow Schull wears the Muse headband, which monitors brain waves. photograph: kayana szymczak/the new york times

The bookshelves in Natasha Dow Schull’s office at the Massachusetts Institute of Technology are punctuated here and there with kitchen timers: a windu(...)

The Swiss National Bank scrapped its euro cap on the franc and drove Swiss stocks down nearly 9 per cent, their biggest one-day percentage fall for at least 25 years. One trader described the central bank’s move as “carnage”. Photograph: Martin Leissl/Bloomberg

Switzerland’s move to jettison a three-year-old cap on the franc threw global markets into turmoil yesterday, sending the currency and most European(...)

The people most thankful for Thanksgiving, the biggest holiday in the American calendar, this year appear to have been retailers. The National Retai(...)

After European Central Bank president Mario Draghi promised last Friday to use whatever means necessary to raise inflation, investors bet that the ECB would soon unveil new measures, possibly including government bond purchases. Photograph: Martin Leissl/Bloomberg

The Iseq in Dublin rose by 0.6 per cent as most euro zone markets advanced on expectations of more monetary stimulus. After European Central Ba(...)

Centrica,  owner of Bord Gáis Energy and British Gas, fell 1.6 per cent in brisk volume after it cut its full-year earnings outlook on the back of a steep drop in energy demand. Photograph: Nick Ansell/PA Wire

Mining stocks led a fall across Europe after manufacturing data missed economists’ estimates for the region and China. A purchasing managers index for(...)

Apple chief executive Tim Cook said Apple Pay offered better security and privacy than competing services, and that retailers risked alienating customers by limiting choices at checkout

Apple chief executive Tim Cook fired back at retailers CVS and Rite Aid after the drugstore chains blocked the iPhone maker’s mobile payments service(...) added 2.5 per cent after the company said it was buying video-game service Twitch Interactive in one of its biggest acquisitions.  Photograph: Paul Faith/PA Wire

Worldwide stock indexes rose yesterday and European bond yields fell on expectations of more stimulus from the European Central Bank, while strong US(...)

On a slow day for the Iseq, Aer Lingus was the biggest riser, finishing the day at €1.47, up 3.8 per cent. Photograph: Frank Miller

The Iseq rose by 0.6 per cent yesterday, as most European markets treaded water. Better-than-expected US and Chinese manufacturing data was cancelled(...)

Spring was in full swing for some US retailers, with shoppers spending again in April after the weather warmed up.A number of large US retailers, incl(...)

Vincent Crowley, IN&M chief executive: news that he is to step down met a  marginal response on the Iseq, as a broker said  there had been “rumours for some time”. Photograph: Dara Mac Dónaill/The Irish Times

US stocks climbed yesterday as remarks from Federal Reserve chairwoman Janet Yellen bolstered confidence that(...)