THE following companies had announcements or developments that could affect their trading activity on Wednesday:

Noble Group: Iceberg Research fired another salvo at the commodity trader on Tuesday afternoon, expressing doubts that the appointment of PricewaterhouseCoopers to conduct a review of the company's accounting practices will solve its problems.

Mapletree Industrial Trust: Thanks to higher rents and better occupancy, the trust on Tuesday posted an 8.8 per cent jump in distribution per unit to 2.73 Singapore cents for the first quarter ended June 30, 2015, from 2.51 Singapore cents a year ago.

The Stratech Group: The technology firm has landed its first commercial US contract to deploy its iFerret airfield/runway surveillance and foreign object and debris detection system at Miami International Airport.