SINGAPORE - Catch up on the morning's top business headlines in Singapore with The Straits Times Money Desk's daily update.

1. Singapore's exports unexpectedly drop 6.6% in May. Nearly every category of exports shrank last month from the previous year, except for disk media products and petrochemicals, which together made up about a seventh of May's exports, data from IE Singapore showed.

2. Singapore workers "among least satisfied in Asia-Pacific": survey. Nearly half - 46 per cent - do not like their jobs, while three-quarters see their job as nothing more than a way to put food on the table.

3. Vallianz Holdings to raise $52.2m for fleet expansion by issuing new shares. The share price of the Catalist-listed offshore marine services provider fell as much as 6.3 per cent on Tuesday after the announcement.