Sembcorp Marine and Keppel Corp said they have not been served with papers related to a reported suit by fund manager EIG Management Co against Petrobras.
Reuters had reported on Tuesday that EIG had added SembMarine, Jurong Shipyard and Keppel to the suit.
SembMarine said in a statement that it and Jurong Shipyard believe that the allegations against them are "entirely without merit and baseless", and plan to defend themselves if they are served with papers.
SingPost deputy chairman Goh Yeow Tin will resign from June 24 to devote more time to his other commitments. Mr Goh is the third SingPost director to resign over the past month.
He had been made an executive director in January to lead integration efforts after then-chief executive Wolfgang Baier quit.
Valuetronics Holdings' net profit for the financial year ended March 2016 fell 19.3 per cent to HK$120.4 million (S$21.4 million), or 31.9 HK cents per share, as the electronics manufacturer continued to exit the mass-market LED bulbs business.
The company has declared a dividend of 20 HK cents per share, comprising a 13 HK cent final dividend and a seven HK cent special dividend.