Nikkei posts biggest drop in 3 years as global growth fears hit banks
* Nikkei flirting with lowest level since Oct 2014
* Topix falls to lowest since Oct 2014
* Market starts to digest BOJ's implication - trader
* Strong yen triggers worries about Japan Inc's earnings
* Both volume and turnover higher than average
By Ayai Tomisawa
TOKYO, Feb 9 (Reuters) - Japan's Nikkei share average posted its biggest daily drop in nearly three years on Tuesday, with banks taking the brunt of the sell-off, while a stronger yen dragged down stocks across the board.
The Nikkei ended 5.4 percent lower at 16,085.44 points, its lowest closing level since Jan. 21 and its heftiest percentage drop since mid-2013.
If it falls below 16,017.26, it will be the lowest since October 2014. Continuación...