Nikkei ends flat, profit-taking erases gains after 2-week high

TOKYO, April 21 (Reuters) - Japanese shares climbed to a two-week high on Monday before giving up gains to end flat in thin trading due to the Easter holidays, while nonbank lenders surged on a media report the government is considering easing rules in the industry. The benchmark Nikkei ended flat at 14,512.38, as profit-taking set in after the average had risen as high as 14,649.50, a level last visited on April 8. The broader Topix fell 0.2 percent to 1,171.40, with trading volume abou