半年涨幅赛黄金，当年结婚人手一套的铂金首饰，又行了？

Group 1 - Platinum prices have surged over 45% since the beginning of the year, outperforming gold and leading global commodity trading [1][3] - A significant increase in demand for platinum has been observed, with a 17-fold increase in transaction volume on e-commerce platforms during the 618 shopping festival [4][6] - The recent price increase is attributed to supply constraints and rising demand, particularly in the automotive and hydrogen sectors, where platinum is essential for catalytic converters [12][13] Group 2 - The supply of platinum has been tight, with over 70% of global production coming from South Africa, which has seen a decline in output [12] - Investors are shifting towards platinum as a more cost-effective alternative to gold, with platinum ETF holdings increasing by 3% and the PPLT fund's size growing from $1 billion to $1.4 billion in two months [12] - Despite the rising popularity of platinum, investment channels remain limited compared to gold, making liquidity a concern for potential investors [13]