Global markets are now functioning normally, and stocks, particularly those in developed markets, likely offer more upside going forward, according to Barclays Wealth.

The global wealth-management business of London-based Barclays PLC is encouraging its clients to move past the crisis; seek exposure to economic growth in Asia; and prepare for short-term interest rates in core countries to remain low for "a very, very long time," Aaron Gurwitz, managing director and head of global investment strategy at Barclays Wealth, said Tuesday at a "year-in-review" briefing.