Japan's Nikkei share average surged 4.0% on Monday to post its biggest daily rise since June 2013 as investors took heart from upbeat US data and the weaker yen lifted exporters such as Toyota Motor Corp and Honda Motor Co.
Also underpinning the market was news that Japan's $1.2 trillion public pension fund will likely raise its allocation to domestic stocks to about 25% from 12% at present.
People familiar with the process told Reuters that a weighting in the middle of the 20-30% range is the main proposal for an impending reallocation of the fund's asset mix and is under final discussion within GPIF.
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The Nikkei share average added 578.72 points to end at 15,111.23, recouping most of the losses posted last week.
Upbeat US consumer confidence supported investor sentiment and lifted risk appetites. The Thomson Reuters/University of Michigan index of consumer sentiment unexpectedly rose in early October to its highest level since July 2007. Separate data showed groundbreaking on new homes rose more than expected last month.
Traders said investors scooped up recently-battered stocks after the Nikkei tumbled 5% last week on concerns about faltering global growth and the stronger yen.
"Selling seemed to have reached its climax last week, so people bargain-hunted shares after gains overseas calmed our nerves," a fund manager at a Japanese asset management firm said.
But some analysts remained cautious, and said any rebound may be short-lived.
"With Halloween just around the corner, the market was spooked by 'ghosts' and these ghosts will probably stick around longer," said Hiroyuki Nakai, chief strategist at Tokai Tokyo Research Center, citing persistent concerns about the sputtering European economy, worries about what could happen after the U.S. Federal Reserve ends its bond-buying campaign, and the effects of the Ebola epidemic.
Toyota jumped 5.2%, Honda soared 3.5% and Panasonic Corp surged 4.5% after the dollar rose 0.4% at 107.345 yen, moving further from a five-week low of 105.90 hit the previous week.
NEC Corp rose 6.5% after the Nikkei business daily reported its operating profit for the April-September period was likely to be about 20 billion yen, compared to just shy of 400 million yen in the previous year.
POLITICAL WOES IN BACKGROUND
While shares in the Japanese market soared mostly on external factors on Monday, a domestic political scandal could have a negative impact in the mid-to-long term, analysts said.
Japanese Prime Minister Shinzo Abe said on Monday afternoon that he had accepted the resignations of Trade Minister Yuko Obuchi and Justice Minister Midori Matsushima over questionable political spending and alleged violation of election law, respectively.
"This is a serious blow to Abe's administration, maybe the most serious one since his administration began two years ago," said Kyoya Okinawa, head of global equities at BNP Paribas.
"The fact that two of his five female members resigned is very bad and should hurt his support rate in the longer term as boosting women in his cabinet and in the workforce was supposed to be part of his growth strategy."
Okazawa said that if Abe's approval rate falls, he will likely have a difficult time pushing through measures to revive the economy.
The broader Topix jumped 4.0% to 1,224.34, and the new JPX-Nikkei Index 400 gained 4.0% to 11,142.42.