Shares are mostly higher in Asia, with Kospi up 4%, while oil prices gain

Asian shares were mostly higher on Wednesday, with the Kospi gaining 4% and Tokyo's Nikkei 225 rising 0.6%. Concurrently, oil prices advanced amid persistent doubts about when the war with Iran will allow free flow of crude. Higher oil prices increased inflation concerns, sending Wall Street’s focus to the U.S. government's pending monthly inflation reading.