Group 1 - The core attributes of gold include its role as a safe haven during economic downturns, its ability to hedge against inflation, and its status as an international hard currency [2][3][4] Group 2 - Predictions for gold's performance in 2025 suggest potential volatility influenced by Federal Reserve interest rate changes, geopolitical tensions, and competition from digital currencies like Bitcoin [5] Group 3 - Various investment methods for gold include physical gold, gold ETFs, gold futures, and stocks of gold mining companies, each catering to different investor preferences and risk appetites [6][7][8][9] Group 4 - Key investment principles for ordinary investors emphasize diversification, a long-term perspective, cost awareness, and maintaining a rational mindset amidst price fluctuations [10][11][12][13] Group 5 - Future developments for gold may include a focus on environmental sustainability, increased demand in technology sectors, and a potential resurgence in its role within the international monetary system [15]