mint - companies

• AstraZeneca shares sink 7% on report of historic $400 billion merger talks with Bristol Myers Squibb
• Blackstone-backed Aadhar Housing sees no need to raise capital for four years; bets on smaller towns to sustain growth
• Swiggy, Eternal chart different paths to expand India’s food delivery market
• Della bets on 3,600-key hotel pipeline to drive township projects
• IndiGo appoints former IATA chief Willie Walsh as CEO to lead airline's global expansion