New Delhi, Sept. 13 -- Gold prices continued the bull trend in the week, and the MCX gold rate touched a new peak of Rs.1,09,840 per 10 gm. The white precious metal also rallied as the MCX silver rate peaked at Rs.1,29,392 per kg on Friday. While climbing to these respective peaks, gold prices have ascended around 42% in YTD, whereas silver prices have logged around 48% YTD gain. At the end of the Friday session, the yellow metal prices finished at Rs.1,09,356 per 10 gm mark while the precious white metal finished at Rs.1,28,840 per kg mark. So, the gold-silver ratio ended around 85 [( Rs.1,09,356 / Rs.1,28,840) x 100 = 84.88], leaving investors guessing whether it is the right time to buy gold or one should buy silver ahead, preferring t...