What are the best performing exchange-traded funds (ETFs) available to investors in Brunei that offer strong long-term returns, portfolio diversification, and exposure to global equity, technology, energy, Islamic finance, and emerging market sectors? Which ETFs accessible through Brunei-based banks, investment platforms, and international brokerage services have delivered the highest historical performance based on returns, asset growth, and market trends? How do global ETFs, Shariah-compliant ETFs, dividend-focused ETFs, and sector-based funds compare in terms of risk, liquidity, expense ratios, and long-term investment potential for investors in Brunei? Which ETFs are considered the most attractive investment options in Brunei based on historical returns, diversification benefits, market stability, and investor demand?