US equity markets’ pre-Christmas rally spluttered overnight following another round of upbeat economic data reinforced expectations the Federal Reserve and other central banks will continue monetary policy tightening into 2023 - Dow fell -349-points or -1.05%, paring an earlier decline of over >800-points. The broader S&P500 lost -1.45%, with Consumer Discretionary (down 2.59%), Information Technology (-2.54%) and Energy (-2.31%) all down over >2% and leading all eleven primary sectors lower. Tesla Inc dropped -8.88% after the company offered a US$7,500 discount on its Model 3 and Model Y vehicles delivered in the United States by year-end, as well as 10,000 miles of free supercharging for those vehicles. Separately, the National Highway Traffic Safety Administration has initiated two more special crash investigations into incidents that involved Tesla electric vehicles, and where the company’s advanced driver assistance systems are thought to have been a factor in the crash. Tesla is the biggest decliner during the December market sell-off, down -36% this month (and down more than >64% in 2022). The Nasdaq dropped -2.18%, with semiconductor companies under particular pressure following memory chip specialist Micron Technology Inc (down -3.44%) underwhelming fiscal first quarter result released after the close of the previous session. Advanced Micro Devices Inc fell -5.64%, Nvidia Corp -7.04% and Lam Research Corp -8.65%. The small capitalisation Russell 2000 lost -1.29%.