Former United States ambassador to the United Nations Nikki Haley addresses the Republican National Convention via live feed at the Mellon Auditorium on Monday. Photograph: EPA

President Donald Trump’s family members and allies launched a fervent defence of the president on the first night of the Republication National Conven(...)

Former first lady Michelle Obama speaks on the opening night of the Democratic National Convention. Photograph: Chris Delmas/AFP via Getty Images

Michelle Obama gently buried her husband’s former worldview this week while delivering other “cold hard truths” to America. “We live in a deeply divid(...)

The Airbnb logo is displayed on a computer screen.  Photograph: Carl Court/Getty Images

Airbnb’s long-awaited Wall Street debut is officially earmarked for 2020, but the home-share startup is charting an unconventional path to the public (...)

Signage on the exterior of Microsoft’s flagship store in New York.   Photograph: Mark Kauzlarich/Bloomberg

Microsoft’s cloud-fuelled turnaround persisted in the fiscal fourth quarter, when sales and profit got a boost from customers signing up for more inte(...)

Michael Pearson, chairman of the board and chief executive officer of Valeant Pharmaceuticals: His methods  proved he didn’t have much patience for research and development. Photograph: Christinne Muschi/Reuters

Valeant Pharmaceuticals is a sleazy company. Although it existed before 2010, it did a deal that year that put it on the map. The deal was with Biovai(...)