With investments suddenly ailing, private equity has a new playbook: cash forecasts, real-time analytics, and a surge in capital calls

· Two of private equity's top advisors — Bain & Co and McKinsey & Co — laid out the state of PE investing in recent reports and interviews with Business Insider. 
· Private-equity firms are scrambling to save portfolio companies in vulnerable industries, calling in money from investors and re-writing 'worst case...