The billionaire inventor of the bagless vacuum cleaner said his company was building an electric car which will launch by 2020, the latest firm to challenge traditional carmakers in a burgeoning market.
Copper rose on Tuesday, snapping four straight days of losses as a rally in oil prices to more than two-year highs boosted commodities more broadly, and on longer-term expectations that demand will grow and supply remain constrained.
New laws and a crackdown on mining firms in Tanzania has slowed fresh investment in what has long been seen as one of Africa's brightest mining prospects
Nickel slid 5 percent to a five-week low on Friday after trading fees were raised in China to dampen speculation and steel prices dropped with other metals as investors shunned risky assets after more North Korean tensions.
