It’s that time of the year when pollution in India’s capital becomes unbearable, courts upset people by restricting Diwali firecrackers, and the environmental authorities threaten draconian steps like banning cars. This is also the season for hand-wringing over the practice of burning crop residue in New Delhi’s neighbouring states of Punjab and Haryana, when soot blows towards the city. Scientists ...

Lenovo Group Ltd.’s net income beat analysts’ expectations by $53 million, or 45 percent. While that upside surprise was helped by slightly stronger revenue and a slimmer operating-expense margin – from a reduction in sales and distribution costs – operating income benefited a lot from one-time accounting items. A fall in gross margin by 0.3 percentage points from a year ...

The dollar has gained about 30 percent against a basket of other major currencies since the start of August 2011, which just happens to be the month that S&P stripped the US of its AAA credit rating. Putting aside the debate over whether credit ratings actually matter for the world’s primary reserve currency, the question at the moment is whether ...