Japan's Nikkei stock index jumps nearly 5% after its ruling party picked Takaichi to lead

+8 National News Japan's Nikkei stock index jumps nearly 5% after its ruling party picked Takaichi to lead By ELAINE KURTENBACH - AP Business Writer Updated 26 mins ago Japan’s Nikkei stock index has jumped nearly 5% after its ruling party chose an ultra-conservative as its leader and likely first woman prime …