The Australian market has reversed morning gains to trade slightly lower this afternoon, weighed down by a sell off in health care stocks. Tuas is surging over 12% to a record high share price today following the company?s AGM and business updates, including revenue of 12.2m for the three months ended October 31. A spotlight on Csl shares as the biotech company is trading more than 2% lower today so far after responding to speculation on plans to acquire Vifor Pharma for around 10 billion dollars. Zoom?s new ?Attendance Status? tool will now allow meeting host?s and co-host?s to see when attendees are late and when they joined the Zoom call, making it hard for attendees to just jump on and pretend they were always there.