Shares of India’s Kotak Mahindra Bank surged to a four-year high after media reports of Warren Buffett’s Berkshire Hathaway showing interest in picking up a stake in the bank. Omaha-based Berkshire Hathaway is reportedly in talks over the purchase of a 10% stake in Kotak Mahindra, valued at between US$4 billion and $6 billion. According […]