BUZZ-Advanced Drainage Systems: Shareholders sell shares to underwriters
** Shares of the maker of corrugated polyethylene pipes up 4.8 pct at $17.98
** Said late on Friday that certain stockholders sold an additional 600,000 shares of common stock to underwriters, as part of its initial public offering.
** Up to Friday's close, company's shares had risen about 7 pct since their debut last month
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