Chinese tech giant Alibaba Group said on Thursday it is seeking to raise around HK$12 billion ($1.53 billion) through exchangeable bonds to boost investments in cloud infrastructure and global commerce operations. The bonds link to Alibaba Health Technology , the group said. Investors can later exchange these bonds for shares in Alibaba Health, and the bonds will not pay interest over time. Alibaba Group holds more than 44 per cent of Alibaba Health. The debt sale follows Alibaba's $5 billion