Early indications suggest that Wall Street stocks may open notably lower on Tuesday amid a lack of any major domestic catalysts. The overall mood in the global markets is one of negativity, as Greece continues to pose a threat. Although reports suggest that the Greek government has maneuvered to mobilize the repayment due to the IMF today, worries concerning how it can carry on with out a new agreement in place is still a cause of concern. Meanwhile, the dollar has taken a beating and crude oil prices are higher. The domestic markets could also focus on a Fed speech scheduled for the day and the movement in U.S. treasury bonds prices.