Second Sydney cluster dampens ASX200 spirits into year end Second Sydney cluster dampens ASX200 spirits into year end Tony Sycamore December 30, 2020 4:40 AM With just one day left of trading in 2020 and for the first time in almost a decade, the ASX200 is set to finish the year without any sign of a Christmas Rally. Share: The Christmas Rally is a term used to describe the tendency for stock markets to rally over the last weeks of December into the New Year and is thought to be fuelled by fund managers seeking to boost the performance of their favourite stocks and a desire to put money to work for the New Year.