HONG KONG (AP) — Oil steadied and Asian stocks were mostly trading lower Tuesday as signs of a de-escalation of the Iran war remained mixed. Tokyo’s Nikkei 225 was down 1.2% to 51,245.50. Losses after the Iran war began on Feb. 28 have been wiping out the gains it made from the beginning of the year. South Korea’s Kospi lost 3.4% to 5,097.11. Hong Kong’s Hang Seng was down 0.5% to 24,624.55, while the Shanghai Composite index fell 0.4% to 3,908.28. Australia’s S&P/ASX 200 was up 0.7%, while