Investor sentiment remains cautious on Tuesday, reflecting global cues, geopolitical developments as well as the fluctuations in commodity prices. Canadian stocks might continue to be at the negative territory at open. The S&TP/TSX 60 index closed on Monday at 1,848.00, down 2.44 or 0.13 percent, while S&P/TSX Composite Index fell 43.95 points or 0.14 percent to finish at 31,483.44.The gold futures are gaining, while the silver price is on a decline. The U.S. unemployment for November as revealed by the La ...