A man enters a Seven & I Holdings' Seven-Eleven convenience store in Tokyo April 9, 2009.

A man enters a Seven & I Holdings' Seven-Eleven convenience store in Tokyo April 9, 2009.

A woman walks out from Seven & I Holdings Co's convenience store in Tokyo January 8, 2009.

A man uses eye drops in front of a board showing Japan's benchmark Nikkei average outside of a brokerage in Tokyo July 3, 2009.

Pedestrians are seen in front of a board showing Japan's Nikkei prices in Tokyo July 3, 2009.

A man walks past a Seven-Eleven store in Tokyo July 2, 2009.

A customer walks out from a Seven-Eleven store in Tokyo July 2, 2009.