ALBAWABA — India's Adani Group cancelled a $2.5 billion follow-on public offering on Wednesday with its chairman saying it would not be "morally correct" to continue after the group's flagship firm's share price slumped even further. The group has suffered a five-day rout following explosive allegations of accounting fraud, among other issues, by United States-based short-seller Hindenburg Research. The allegations wiped out over $92 billion from the value of the ...