The Australian market extended sharp losses into afternoon trade to close Thursday?s session 2.7% lower as tech stocks experienced their worst session since February 2021. Alterity Therapeutics soared 15% today after the biotech company announced it has been granted a new patent in the US for Compounds for Neurodegenerative diseases including Parkinson?s and Alzheimer?s. A spotlight on Coles as the supermarket giant fell 2% today amid supply and staff shortages along Australia?s east coast. Bosch has unveiled a new innovative mobile security assistant device called Spexor at CES 2022, that uses sensors to detect and alert owners of changes in the home environment including air quality, temperature or even break-ins.