China resumed IPOs in January after a freeze lasting longer than a year, and 52 companies went public in Shanghai and Shenzhen in the first half of this year, raising $5.7 billion.

Shaanxi Coal Industry Co achieved the largest IPO, raising 4 billion yuan.

There will be about 100 more IPOs through the end of the year and sales will be evenly spread over time, China Securities Regulatory Commission Chairman Xiao Gang said in a May 19 statement.

The E&Y report also said that IPOs in Hong Kong will raise HK$180 billion ($23.2 billion) this year.

"There will be some large-scale and a number of small and medium-sized IPOs in Hong Kong in the second half," said Ho. Ho added that technology, media, telecom and healthcare, consumer, finance and real estate shares will be popular in the Hong Kong market.

During the first half, 44 companies went public in Hong Kong, and they raised $10.4 billion.

The largest IPO was HK Electric Investments Ltd at $3.1 billion.

Ten Chinese companies went public in the United States in the first half, raising $3.1 billion. JD.com Inc made the largest IPO, accounting for 57 percent of the total.

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