In other news
China stocks have fallen for a fourth day but losses were more subdued than earlier in the week after Beijing reiterated its determination to stabilise its wild equity markets.
European shares have climbed, with Peugeot among the best-performers, as further signs of bid activity lifted the region's stock markets.
British telecom giant Vodafone has said it plans to lay off up to 1 300 workers, about a fifth of the workforce, from its Spanish division.
The dollar has eased as traders remained on edge after a China stock market plunge this week and as the Federal Reserve wound up a two-day meeting.
The Greek stock market will reopen on Wednesday or Thursday after a month-long shutdown but with restrictions on trading by local investors at the request of the European Central Bank.
US stocks have snapped a five-day losing streak, posting strong gains after positive earnings from UPS and a big rally in petroleum-linked stocks.
Most Asia shares have risen as calm returned to global markets after a heavy sell-off at the start of the week, with investors taking a cue from a rally on Wall Street.
Oil prices have been down in Asia as investors waited for the results of a US central bank meeting and a closely-watched report on crude inventories.