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 and probably is going to continue being one of our main focus areas,” Nomura’s head of global markets, Rig Karkhanis, said in an interview with Reuters this week. The macro business spans interest rates, foreign exchange and emerging markets trading, which clients use to diversify and rebalance their portfolios. Despite expecting prolonged volatility, Karkhanis projects the overall favourable environment for stocks has another two years to run, driven by large-scale investment in artificial intelligence infrastructure that will boost productivity and growth. “My base case is we’ll see a normalisation of geopolitical risk. Oil price volatility is likely a …