Key indices post gains over one per cent each; Rupee strengthens slightly against US Dollar

At the domestic stock markets, key indices posted gains over one per cent each today, while the Rupee strengthened slightly against the US Dollar. In the international markets, Brent crude oil futures traded above USD 69 a barrel.    The Sensex at the Bombay Stock Exchange spurted 613 points, or 1.2 per cent, to close above 50,000-mark, at 50,193. The Nifty at the National Stock Exchange shot up 185 points, or 1.2 per cent, to end at 15,108.   In global equity markets, Asia Pacific ended higher....