AEMO has warned about a heatwave later this week.

Power threat as heatwave to hit

The energy regulator has issued a warning about Friday's expected heatwave, but is confident the electricity grid will be able to cope with its first real challenge of the summer.

The icons for Tencent Holdings, which drew investors to a $US5 billion bond sale last week.

Asia dollar bond boom intensifies

The boom in Asia's dollar bond market is ratcheting up a notch, with companies seeing more than five times as much demand as debt being sold during the first month of this year.