TOKYO, March 12 : Nomura Holdings is bolstering its foreign-exchange and emerging markets trading teams in Asia on the view that volatility will persist, driving demand from its clients. Japan's biggest brokerage also expects the favourable market conditions that drove global equities to all-time highs will soon reassert themselves as geopolitical tensions ease and record oil prices retreat. "Our macro businesses tend to perform well in periods of volatility. So that has been a big theme for us