trading debut

The Chinese steelmaker falls almost 20% on its first day of trading, while small-cap bakery chain Christine finishes 0.6% above its IPO price.

Sun Art will need to issue a supplementary prospectus and give retail investors a chance to withdraw their orders after overstating its earnings per share for the past three years.

The exercise of the shoe increases the deal size to $20.5 billion and makes the pan-Asia life insurer the third largest IPO in the world.