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They changed name because bought over by new company.....

STXOSV reported falling profits and revenues in its 2012 fourth quarter and full year results --> the shipbuilder's Niteroi's yard in Brazil is suffering from high workloads and high staff turnover, which are dragging down the group's profits as the yard's productivity and delivery schedule are affected.
http://www.seatrade-global.com/news/americas/stx-osv-profits-trimmed-by-brazilian-yard.html

The momentum indicators are negative at the moment. The takeover by new parent Fincantieri, and hasty exit of previous significant shareholder Och-Ziff Management, has left the counter's remaining ~44% float held by fragmented pool of shareholders, a large proportion of which are retail investors.

Shipping shocks are cyclical in nature (a type of industry that is sensitive to the business cycle, such that revenues are generally higher in periods of economic prosperity and expansion and lower in periods of economic downturn and contraction). The global OSV segment is in a mid-cyle and will resume alongside increased rig activity.

http://seekingalpha.com/article/1315321-stx-osv-holdings-the-scene-is-set-for-a-possible-rerating
http://sgx.i3investor.com/servlets/ptres/4186.jsp
http://sgx.i3investor.com/servlets/ptres/4177.jsp
http://sgx.i3investor.com/servlets/ptres/4148.jsp