China’s biggest ride-sharing firm DiDi Global is closing its investor order books for a US IPO of $4bn, today, which is a day earlier than scheduled. The details have not been made public. The book will be closing at 5 pm in every region. Price range in the US was set to $13 to $14 per ADS for 288 mn shares. This will help raise $4.03bn. The company might sell another 43.2 mn shares to raise an additional $605mn. This will make DiDi worth $62.4bn to $67.2bn.