March 7 (Bloomberg) -- Bloomberg senior West Coast correspondent Jon Erlichman reports on the buzz surrounding the revelation that 64-year-old physicist Dorian Nakamoto is thought to be the creator of Bitcoin on Bloomberg Television's �Bloomberg West.
... * U.S. job growth an upbeat sign for weather-beaten economy. * Putin rebuffs Obama as Ukraine crisis escalates. * Dow up 0.2 pct; S&P 500 flat; Nasdaq down 0.5 pct.
Flat U.S. trade in January offered the latest sign the economy is struggling to fire on all cylinders, as consumers at home and abroad spend cautiously.
California appeared to go in the opposite direction of the national economy in January, shedding a net 31,600 jobs that month, the state's Employment Development Department reported Friday.
Credit card companies MasterCard Inc and Visa Inc said they had formed a new cross-industry group to enhance payment system security across networks.