Cameron said leaving European Union will damage trade and investment in Britain will suffer
Sushma Swaraj also told that it was for the people of Britain to decide whether they like to stay within the EU or not
UK's PM urged voters to consider the economic impact of leaving the 28-member bloc
The invisible thread that links assets as diverse as gold, bank stocks, the Japanese yen and government bonds would be yanked sharply by Brexit
Gold sees big buying, as central banks around the world hold rates
Brexit is reopening euro zone sovereign wounds
Stock markets in Tokyo, Hong Kong and Shanghai fell by around 3%
The timing could hardly be worse, as the EU struggles with its biggest migration crisis since World War II and faces a growing threat from terrorism
Betting odds on a British vote to exit the European Union narrowed on Saturday after an opinion poll gave the "Leave" camp a double-digit lead over "Remain
Ahead of the June 23 referendum on European Union membership, the race is looking close
Investors are holding on to their wallets and prefer to wait for the event to unfold
Oil prices also stepped back after notching another 2016 high
A Dutch govt think tank predicted a possible 1.2% fall in GDP by 2030
David Cameron on Tuesday called on millions of people to vote in the June 23 EU referendum
UK Prime Minister David Cameron has been campaigning for Britain to stay in the 28-country bloc
Britain will hold a referendum on EU membership on June 23