To the news that General Electric’s board of directors has been meeting in solemn conclave to debate whether its chief executives should serve a 20-year term, the natural response is: which egomaniac came up with that idea?

Suddenly, after a prolonged drought, fresh money is pouring into US digital news. The strange thing is where it is going.

What is Goldman Sachs up to? The bank has been behaving strangely this week. When Michael Lewis unveiled his book Flash Boys: A Wall Street Revolt , in which he alleged the equity market is “rigged” by high-frequency traders, the bank discreetly lent him support. Then it emerged that Goldman is leaving the New York Stock Exchange floor, selling Spear, Leeds & Kellogg, a broker it bought for $6.5bn in 2000.

John Gapper

General Motors CEO Mary Barra

General Motors’ widening of the recalls of US cars and trucks for safety and other defects is a challenge for Mary Barra, its new chief executive, as she prepares to testify to Congress this week. Read more

John Gapper

Satya Nadella’s unveiling of Office for the iPad is a significant moment for Microsoft, and his leadership of the company. I wonder if it will also be an incentive to improve the product itself?

I write this because Word in particular still strikes me as a product that is too big to fail. The network effect of so many companies using it makes individuals follow suit but it is bloated and irritatingly full of bugs. Read more

General Motors and Malaysia Airlines are both in trouble but one is giving a lesson in how to handle a fatal crisis while the other is offering a masterclass in how not to. There is a glaring contrast in the behaviour, and ability to cope with public criticism, of Mary Barra, GM’s chief executive, and Ahmad Jauhari Yahya, the chief executive of Malaysia Airlines – although Ms Barra has a simpler task.

Newsweek’s flawed attempt to expose a 64-year-old Californian called Dorian Nakamoto as Bitcoin’s mysterious inventor has come at an opportune moment for exponents of the cryptographic currency. It has distracted from a crisis of trust caused by the failure of Mt Gox, the Tokyo Bitcoin exchange.

One notable statistic about Russia is that the mean wealth of its 110m adults last year was $10,980 while the median was $870. In other words, if the country’s assets were equally divided, the man in the middle would possess more than $10,000 but, in practice, his net worth is less than a 10th of that sum. This is the result of 110 billionaires controlling 35 per cent of the wealth.