Nikkei falls on profit-taking in recent gainers ahead of US data
* Drugmakers, retailers and railways lead losses
* Investors close positions ahead of U.S. job data
* Rakuten, Konica Minolta and Ricoh down after earnings
* Softbank gains after share buyback plan
By Hideyuki Sano
TOKYO, Aug 7 (Reuters) - Japan's Nikkei share average edged down on Friday as investors took profits from recent high flyers such as drugmakers, railways and retailers ahead of U.S. jobs data due later in the day.
While Japanese companies' earning results for April-June have been generally solid, concerns over a slowing growth in China and possible fallout from a likely U.S. rate hike kept investors cautious.
The Nikkei average dipped 0.3 percent to 20,610.18 while the broader Topix fell 0.4 percent to 1,667.65, though it is still up 0.5 percent so far this week.
Leading the losses were shares oiented primarily at domestic demand, which had been outperforming for weeks as investors shunned exporters and other shares seen as more susceptible to a possible global slowdown. Continuación...