ASX set to soar on virus breakthrough; S&P, Dow surge

Summary

• ASX futures are up 2.1% and point to huge gains on the back of encouraging coronavirus vaccine news
• Pfizer says early data for its experimental COVID-19 vaccine suggests the shots may be 90% effective 
• The S&P 500 rose 1.2% overnight and closed just shy of a record, while the Dow jumped 3%. The tech-heavy Nasdaq slipped 1.5% 
• Gold dropped 4.4% to below $US1900 an ounce, Brent crude jumped 7.5% and US oil 8.4%, while Iron ore rose 0.7% to $US117.80 per tonne