Nikkei posts biggest daily gain in more than 4 months on oil bounce, stimulus hopes
* BOJ stimulus hopes also help sentiment - traders
* Nikkei falls 1.1 pct for the week, 3rd weekly losses
* Nikkei's volatility index hits above 40
By Ayai Tomisawa
TOKYO, Jan 22 (Reuters) - Japan's Nikkei share average scored its biggest single-day gain in 4-1/2 months on Friday, helped by a weaker yen, a bounce in oil prices and a hint of more stimulus from ECB president Mario Draghi.
Also helping sentiment was speculation that the Bank Of Japan may announce fresh stimulus measures at its policy meeting next week.
The Nikkei share average ended 5.9 percent higher at 16,958.53, recouping most of its losses from the past two days.
Still, for the week the benchmark index shed 1.1 percent, falling for a third week.
Traders said that foreign investors such as hedge funds and oil funds, which had been heavily reducing risky assets recently, bought back battered shares. Continuación...