Killing of British MP Jo Cox, who was against Brexit, has seen sentiment shifting towards the "Remain" camp.
BOJ's decision comes after the US Federal Reserve decided to leave its interest rates unchanged.
Investors in the region continue to be concerned over the outcome of the EU referendum.
Investors are also awaiting outcome of US Fed meeting.
US, the UK, Switzerland and Japan central banks to hold policy meetings this week.
Negative Wall Street and Footsie close adds to depressed sentiment.
In total, a quarter of jobs supported by the sector will have been lost by year-end, report says.
Exports in the world's second largest economy declined 4.1% on-year in May.
UK to grow by 2% in 2016 and by 2.1% in 2017, World Bank says.
The Anglo-Dutch multinational said it would cut $4.5bn of spending before tax in 2018.
The US Federal Reserve Chair hinted that the American central bank would not increase interest rates in June.
The move comes following discontent over LME increasing its fees.
This was revealed in Mine 2016, PwC's 13th annual review of the top trends in the global mining industry.
US nonfarm payrolls employment data showed that 38,000 jobs were created in May.
UK oil firms do not see Brent crude recovering to a sustained level of $75-80 per barrel until 2020.
The JPMorgan global manufacturing PMI declined to 50.0 for May, indicating stagnation.
Riyadh reportedly in favour of imposing ceiling on Opec's collective crude output to support weak prices.
The private Caixin/Markit survey showed that activity at China's factories contracted for the month of May.
Goldman's report says there is a 70% chance that MSCI, will include mainland Chinese shares in its indexes.
Yellen had said that interest rates could be increased in the coming months.
Brent crude hits $50 as stronger demand in Russia and China and disruptions in Canada boost prices.
Oil prices got a boost after US said crude inventories fell 4.2 million barrels in the week to 20 May.
April new home sales in the US stood at 619,000 units, marking the highest level since January 2008.
Investors are looking forward to the 27 May speech by Fed Chair Janet Yellen.
The Japanese Nikkei traded lower after ministry of finance data revealed a fall in exports.
Iran's deputy oil minister said Tehran will target boosting crude exports to pre-sanctions levels.
Asian investors were muted to the hawkish comments from US Federal Reserve.
Many US Fed committee members said it would be 'appropriate' to increase interest rates in June.
Fed presidents Robert Kaplan and Dennis Lockhart spoke in favour of a rate increase.
Richard Herbert, a veteran at BP, is said to be a long-time ally of Bob Dudley, BP's chief executive.