Norway's $2 trillion oil fund, the largest of its kind, generated an annual profit of about $248 billion last year, with strong gains in global equities driving a 15.1% return. Norges Bank Investment Management (NBIM) manages the fund, which was set up in the 1990s to invest revenues from Norway's oil and gas industry, on behalf of the Norwegian population. It's an investor in more than 7,200 companies across 60 countries and has stakes in around 1.5% of the world's publicly listed stocks. The