Shares in German biotech firm Jerini (JI4G.DE: Quote, Profile, Research) made a turbulent debut on Tuesday, falling 6 percent and then rising 13 percent before closing flat, amid a worsening IPO climate and scepticism about biotech offers. Shares in Jerini, which raised 51.5 million euros ($61.8 million) with the listing, opened at 3.10 euros -- below their issue price of 3.20 euros -- but closed at 3.20.

Reuters (http://yahoo.reuters.com/financeQuoteCompanyNewsArticle.jhtml?duid=mtfh46437_2005-11-01_17-45-19_l01630591_newsml)