The key domestic benchmarks are tipped to open lower today amid muted cues from fellow Asian peers and a negative closing at Wall Street on Friday as investors turned cautious about US growth and fear-resurfaced that instability in Europe could hurt corporate earnings in the United States. Back home, investors may remain sideline today ahead of sixth bimonthly monetary policy review by RBI tomorrow. According to experts, RBI policy review and corporate earnings may set the direction for markets in near term. Investors will take cues from HSBC PMI data scheduled to be released today. Further, the market may also react to GDP data released after post markets hours on Friday. As per data, gross domestic product expanded 6.9 per cent in 2013-14 and 5.1 per cent in the year ago period.