Ant Group, China’s largest digital payments provider by volume, received the green light to proceed with its blockbuster listing on Shanghai’s Nasdaq-style stock market just four weeks after filing, as regulators showed off their keenness to pull out all stops to help national champions raise capital.With the nod, the paperwork for Ant Group’s estimated US$30 billion initial public offer (IPO) – the largest in global financial records – will pass to the China Securities Regulatory Commission…