Asian markets posted another day of solid gains Wednesday due to rising optimism over U.S. drugmaker Pfizer’s potential COVID-19 vaccine. The Nikkei in Tokyo finished 1.7% higher.  Sydney’s S&P/ASX index also closed 1.7% higher. Seoul’s KOSPI index and the TSEC index in Taipei both ended up 1.3%, while Shanghai’s Composite index lost 0.5%. Hong Kong’s Hang Seng index is down 0.4% in late afternoon trading, while Mumbai’s Sensex is 0.2% lower. In commodities trading, gold is selling at $1,874.20 per ounce, dropping 0.1%. U.S. crude oil is up 2.3%, selling at $42.35 per barrel, while Brent crude oil is selling at $44.62 per barrel, also 2.3% higher.   In futures trading, the Dow and S&P 500 were trending higher, while the Nasdaq is trending lower.