The Swiss competition watchdog has launched an investigation into possible collusion in the precious metals market by several major banks, it said on Monday, the latest in a string of probes into gold, silver, platinum and palladium pricing.
Bitcoin is a virtual or online currency created through a "mining" process where a computer's resources are used to perform millions of calculations. Once mined, bitcoins can be stored in an online wallet, traded in an online exchange, or used to buy goods and services.
Business is so tough for oilfield giants Schlumberger NV and Halliburton Co that they have come up with a new sales pitch for crude producers halting work in the worst downturn in years. It amounts to this: "frack now and pay later."