Nikkei hits 2 wk-high in subdued trade, non-banks surge on rule change talk

* Nikkei rises 0.6 pct, Topix up 0.4 pct * Nonbank shares soar on report of possible easing of rules * Trading quiet as many global markets closed for Easter * Investors eye corporate earnings By Tomo Uetake TOKYO, April 21 (Reuters) - Japanese shares climbed to a two-week high on Monday morning, led by gains in nonbank lenders on a media report the government is considering easing rules in the industry, though trading activity was thin due to the Easter. The benchmark N