Japan's benchmark Nikkei 225 index plunged more than 5% after oil prices soared to well over $100 a barrel due to disruptions from the war in the Middle East. BANGKOK (AP) — Japan’s benchmark Nikkei 225 index plunged more than 5% and other Asian markets also tumbled Monday after oil prices soared to nearly $120 a barrel, casting a shadow over economies heavily dependent on imported crude and gas from the r... [3622 chars]