Nikkei ends at 7-month high in on weak yen, reform hopes

TOKYO, Sept 2 (Reuters) - Japan's Nikkei share average ended at a seven-month high on Tuesday in active trade as the yen slipped to a seven-month low against the dollar, sending exporters higher on hopes of a boost to earnings. The Nikkei gained 1.2 percent to 15,668.60, the highest since mid January. The broader Topix rose 1.1 percent to 1,297.00, and the JPX-Nikkei Index 400 gained 1.1 percent to 11,763.89. A total of 2.4 billion shares changed hands on the main board, the biggest