Japan's annual spring wage negotiations began Wednesday, with the leaders of the country's top business lobby and biggest labor federation agreeing on the importance of maintaining momentum for pay hikes amid soaring prices.The focus is on whether an average wage increase of 5 percent or more, a level demanded by the Japanese Trade Union Confederation, known as Rengo, will be agreed following significant increases in the past two years, observers said.The labor federation also said it is aiming for an average pay hike of 6 percent or more at small and medium-sized companies to narrow the wa…READ FULL ARTICLE