Shares were mixed in Asia early Tuesday after U.S. stock indexes drifted lower a day ahead of the U.S. presidential election. This week will bring various potential flashpoints, among them Election Day in the United States.

Asia-Pacific markets trade mostly higher on Wednesday, diverging from the trends observed in major Wall Street indices. The impressive market debut of Tokyo Metro, a Japanese subway operator, further enhanced investor confidence.

Shares are mostly lower in Asia after a third straight day of losses on Wall Street. Oil prices gained almost $1 and U.S. futures were mixed. Japan's benchmark Nikkei 225 shed early gains as purchasing manager indexes showed worsening conditions in Japan for both manufacturing and services.