????IPO日期：2012年2月24日

????這家定制機(jī)器零部件生產(chǎn)商今年2月底首日上市,，開盤報(bào)16美元,，收于29美元,，首日漲幅達(dá)81%,。Protolabs致力于為客戶提供新產(chǎn)品開發(fā)所需的原型機(jī)和零部件樣品，路演時給人印象深刻,，投資者反響強(qiáng)烈,。

????這宗IPO也是美國制造業(yè)復(fù)蘇的一個跡象。IPO 完成6個月后,，該股累計(jì)漲幅104%,。

????IPO date:?2/24/2012

????The custom machine parts manufacturer opened at $16 a share in late February this year and closed at $29, an increase of 81% on its opening day. Protolabs (PRLB), which makes prototypes and sample parts for companies creating new products, made a big impression on investors during its roadshow and there was an enthusiastic response to the business.

????The IPO was another sign that manufacturing is making a comeback. Six months later, the stock was still up 104%.