Nikkei drops on profit-taking, investors jumpy before Brexit vote
* SoftBank surges after Supercell sale
* Nikkei gained 4.7 pct in past 3 days
By Ayai Tomisawa
TOKYO, June 22 (Reuters) - Japan's Nikkei share average dropped on Wednesday, snapping a three-day winning streak as investors took profits from recent gains against a background of nerves over Thursday's Brexit referendum.
The Nikkei shed 1.0 percent to 16,007.52 in midmorning trade after rising 4.7 percent in the past three days.
"Many people want to take profits before the event, and they want to take new positions after the Brexit outcome," said Takatoshi Itoshima, chief portfolio manager at Commons Asset Management, adding that trading may be subdued throughout the day.
Recent opinion polls have mostly shown a shift towards keeping Britain in the European Union, but there are signs that momentum has stalled for the 'In' camp and the vote still looks too close to call.
Exporters lost ground on the profit-taking, with Toyota Motor Corp falling 0.8 percent, Honda Motor Co shedding 1.7 percent and Panasonic Corp dropping 1.3 percent.
The dollar stood at 104.41 yen after briefly trading above 105.00 yen for the first time in nearly a week after Federal Reserve Chair Janet Yellen held the line of "gradual increases" in U.S. rates. Continuación...