ASX 200 live: WiseTech directors quit over 'differences'; APA, Ampol profits slump; Reece outlook 'challenging'; NZ's Ryman eyes ASX listing

Around $9bn wiped off tech giant WiseTech as internal turmoil escalates. Perpetual sinks KKR deal, hangs 'for sale' sign over wealth arm. Iress heavy loser despite swing to profit. Ampol slashes dividends. Underlying earnings up for APA. 

Sentiment on equity markets is weak after mixed results and economic commentary at home and overseas.

Welcome to the Trading Day blog for Monday, February 24. The ASX 200 index is down 0.1 per cent to 8287.20 points at 12.15pm AEDT, with a recovery among the bank stocks trimming some of the sharp opening falls. Heavyweight miners are still down.

Cryptocurrency giant bitcoin is below $US96,000.

The Aussie dollar is trading around US63.72c.