Nikkei tumbles to lowest since Oct 2014 as bank concerns intensify
* Investors look to Yellen's testimony
* Nikkei continues to stay in bear market
* Abenomics rally has come to an end - analyst
* 53 pct of Topix's names trade below book value
By Ayai Tomisawa
TOKYO, Feb 10 (Reuters) - Japan's Nikkei share average closed at its lowest level since October 2014 on Wednesday as worries about the health of global banks and economic growth intensified.
The Nikkei stumbled 2.3 percent to 15,713.39, for a total fall of 10.3 percent this month.
The benchmark index has been trading in what is considered to be bear market territory, which is 20 percent or more off its recent peak.
After a tumultuous start to the week, markets looked to Federal Reserve Chair Janet Yellen's congressional testimony later in the session for fresh cues on the policy outlook, which may provide some relief for markets. Continuación...