https://www.reuters.com/article/us-xiaomi-ipo/chinas-xiaomi-secures-seven-cornerstone-investors-for-6-1-billion-hong-kong-ipo-idUSKBN1JG0TF >HONG KONG (Reuters/IFR) - Chinese smartphone maker Xiaomi Corp has lined up $548 million from seven cornerstone investors including U.S. chipmaker Qualcomm Inc for its Hong Kong IPO of up to $6.1 billion, according to a term sheet seen by Reuters.