By Kashish Tandon (Reuters) - Adani Group stocks closed higher on Friday, a day after India's markets regulator dismissed parts of short-seller Hindenburg Research's stock manipulation allegations against billionaire Gautam Adani and his conglomerate, signalling a potential end to the group's regulatory troubles. The Securities and Exchange Board of India is still examining more than a dozen allegations that Adani Group and certain offshore funds broke securities rules, Reuters reported, citing sources. ...