The key domestic benchmarks are likely to open higher today tracking a firm trend in fellow Asian markets ahead of the US Federal Reserve policy decision today in which it may offer cues over the timing to raise interest rates. The timing to tighten monetary policy is dependent on the progress made towards the Fed’s twin goals of full employment and stable inflation. China’s Shanghai Composite was trading higher while Hang Seng surged after reports said that China’s central bank is boosting stimulus to stem a deepening slowdown in Asia’s third biggest economy. Japan’s Nikkei 225 was trading higher ahead of the FOMC decision. Back home, the sharp losses in the Sensex in the previous two sessions may offer investors, a good bargain buying opportunity, in equities at existing levels, supporting Dalal Street.