Can Portfolio Investment Outperform Individual Stocks in Internet Content and Information Industry in Hong Kong Stock Market?

The rapid growth of the internet industry makes the internet content information industry in the Hong Kong stock market a popular and appealing investment target. However, investing in this industry cannot guarantee an ideal outcome. This research tests the volatility of portfolios in the internet content and information industry. It obtains mean standard deviation and Sharpe ratio to evaluate the performance of portfolios in this industry. The result indicates that portfolio investment can provide better performance with short selling constraints than individual stocks do. Without short selling constraints, portfolio investment cannot provide a higher return but can still provide better outcomes with lower risk and a higher Sharpe ratio. This suggests that investors should always practice portfolio investment in the internet content and information industry in the Hong Kong stock market when short selling is available. When short selling is not available, risk-averse investors should always consider portfolio investment.