Jeremy Hunt, Conservative Party MP, talks about the shift in polls indicating a slight lead for the 'remain' camp. It's a very British decision and the vote is too close to call, says Hunt.
Michael Gove, Secretary of State for Justice, shares his views on the benefits of leaving the European Union.
Peter Kellner, former YouGov president talks about the odd of the United Kingdom leaving the European Union.
Billionaire George Soros has a stern warning for those in Britain that want to leave the EU, reports CNBC's Wilfred Frost. Also a look at the latest polls numbers.
A Brexit would lead to the yen strengthening and pressure policymakers for a coordinated intervention, says Standard Chartered Bank's Divya Devesh.
Compass Markets' Michael Sarpi says there could be good trading opportunities in the sterling and the euro.
Point View Wealth Management's John Petrides says he is positioned against a Brexit, because the economic implications of leaving are too large.
Most SMEs believe exiting the EU is a positive, while larger corporates are more anxious about a Brexit, says East & Partners' Martin Smith.
Most Chinese investors look to buy U.K. real-estate for education purposes and because it's a long-term trend, a British exit from the EU is unlikely to dent demand.
Amherst Pierpont Securities' Robert Sinche says the sterling/dollar pair could fall to $1.35 if the U.K. leaves and $1.50 if it remains.
Barchetta Capital Management's Ed Ponsi says he expects markets to overreact, whatever the Brexit referendum outcome.
The dollar tumbled on as sterling surged more than 2 percent and the euro jumped after opinion polls swung in favor of remain.
Iain Duncan Smith, Conservative Party Member of Parliament, explains why a leave vote would help the United Kingdom get its power back.
Roland Rudd, Business for New Europe chairman, discusses why Britain is stronger if it remains in the European Union.
CNBC's Wilfred Frost and Paras Anand, Fidelity International, discuss how the outcome of the Brexit referendum will likely impact global markets.
CNBC's Wilfred Frost reports the latest poll results on whether the U.K. should leave the European Union.
Macquarie's Nizam Idris says the key point about Brexit is that it could mark the reversal of Europe's unification.
ING Financial Markets' Tim Condon says most investors are staying on the sidelines for what could be a major risk event in financial markets.
The three sterling scenarios are if the U.K. leaves, remains or has an unpleasant exit from the EU with little negotiations, says UBS' Wayne Gordon.
Nomura's Rob Subbaraman explains that a Brexit would indeed cause a recession in the U.K. and potentially hit growth in the euro area.