BANGKOK (AP) — World shares were mixed on Wednesday as the rally of the past two days faded and oil prices resumed climbing with no end to the war with Iran in sight. Oil prices have remained sharply below their peaks near $120 a barrel hit on Monday. Such spikes have been rocking financial markets worldwide because of worries that the war could block the global flow of oil and natural gas for a long time. Early Wednesday, the price for a barrel of Brent crude, the international standard, had