With the Japanese fiscal year coming to an end, Wall Street is preparing for an influx of Japanese investment in fixed-income securities, particularly Treasuries and Ginnie Mae securities.

The possibility of a wave of more aggressive investment from Japan is usually "relatively strong" in April and May, said Henry Willmore, senior economist for Barclays Capital.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.