New Delhi, April 5 Gold and silver are expected to remain within a range with a positive bias next week as investors monitor geopolitical developments in West Asia and key global macroeconomic data, analysts said.On the domestic front, investors will also be looking for the Reserve Bank of India's monetary policy mid-week, they added."Looking ahead to the week, the focus remains on developments in the Gulf region – any signs of further escalation or de-escalation could influence prices," said Pranav Mer, Vice President, EBG - Commodity & Currency Research, JM Financial Services Ltd.Investors will also monitor a series of global economic indicators for further direction."In terms of data, investors will be looking at PMI numbers...