Anyone in Asia's structured-products world faces a crisis of confidence in the wake of the Lehman minibond fiasco and heavy losses among the region's richest families from 'accumulator' products (structures that sold options on a variety of underlying assets).Lehman Brothers was not the only bank creating complex derivative products for high-net-worth, retail and institutional investors: all the banks were. The industry now faces not just the potentially heavy hand of regulation, including pressure on distributors to reimburse retail investors, but a challenge to its ...