闫瑞祥：美系及非美趋势不变，短线震荡后再延续

Group 1 - The article discusses various currency pairs and their respective support and resistance levels across different time frames, indicating potential trading strategies based on these levels [1][2][3][5][7][9][11]. Group 2 - Key economic data and events to watch include China's December trade balance, OPEC's monthly oil report, and various U.S. economic indicators such as retail sales and PPI [13][14].