The move follows reports on technology blog Re/code on Wednesday about internal friction with Rowghani
Gupta is the highest-profile executive convicted in a US crackdown on insider trading at hedge funds
The producer-price index fell 1.4% after a 2% decline the previous month
He frequently talks about hunting for "elephant"-size acquisitions and making multibillion-dollar stock purchases
China leapfrogged Germany and Japan in the past five years to trail only the US in a ranking of countries by private financial wealth
'Prices sustained at $90 will lead to significant production reductions'
Hyundai Group has raised 1.91 trn won from selling assets, including its liquefied natural gas shipping ops
While the economy is set to contract this quarter after a sales-tax increase in April, Abe's task is to ensure the recovery is strong enough to weather a planned further rise in the levy
Deutsche Telekom AG, with 145 million wireless customers in Europe and the US, said it might increase disclosure after Vodafone
The transportation service, based in San Francisco, lets people order pvt town cars and other vehicles from their smartphone
Holcim and Lafarge, which announced their merger plan in April, are working on a list of cement and building-aggregate plants to be sold in order to make a goal of merging in the first half of next ye