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The UK retailer’s accounting error is larger than originally flagged. Sales are falling faster than feared. News that the chairman is being replaced will help. But Tesco’s new CEO missed a big chance to articulate a turnaround plan – despite some obvious remedies.

Robots may spell "Control-Alt-Delete" for workers

Researchers think automatons could displace half of all existing U.S. jobs. If that happens rapidly, it could push humans into a strife-torn future in which lack of wage income hobbles prosperity even in capable societies. Yet governments can make the transition less stressful.

Amgen boss makes a prime breakup target

Former Morgan Stanley banker Robert Bradway runs the $109 bln biotech being eyed by activist Dan Loeb. Splitting into a cash cow and a growth arm comes up often in the industry but rarely happens. In Amgen’s case, its drug focus and the CEO’s background give the idea a chance.

China's capital defences have sprung a major leak

Strict controls should shield China from flighty foreign capital. In practice, investors have snuck in at least $725 billion of short-term money since 2008. That makes the economy vulnerable to outflows. Central bankers are saddled with preventing a trickle becoming a flood.

Germany’s economic miracle is past its peak

Germans are flirting with a recession that may usher in a new era of feeble growth in Europe’s largest economy. Many reasons for past performance are fading away, and misguided policies add extra burdens. Angela Merkel can still change tack before it’s too late.

Rob Cox: Fragility bigger worry than volatility

Recent rollercoaster markets are a symptom of a more concerning malady. They reflect the shock accompanying recognition that widely accepted assumptions about everything from monetary policy to geopolitics, and even the state of global health, are dangerously flimsy.