The hedge fund founder Alan Howard has delivered a boost to Conservative Party coffers with a £1m donation as political fundraising intensifies in the run-up to the next general election. Sky News has learnt that the City financier has pledged the seven-figure sum in what is understood to be his largest single donation to the party to date. Mr Howard is the co-founder of Brevan Howard Asset Management and one of Britain's most successful hedge fund managers. Based in Switzerland, he was placed at number 100 in this year's Sunday Times Rich List with a fortune of £1.75bn. Last year,...