) opened at $133.46. This was a drop of 0.39 from the close yesterday. The SPY is now trading at $134.05, the highs of the day. The reasons for the float are multiple. First, volume drops to a snails pace which enables the markets to grind higher. Light volume always favors the upside when the markets are in an upswing. Positive sentiment makes this so and retail money inches in, believing in the rally. Secondly, the Federal Reserve continues to buy treasuries from the banks, infusing the banks with massive amounts of capital each day. This is part of the QE-2 program. The banks take this money and use some of it to buy the markets. Add this with light volume and the markets are always going to grind higher. Last but not least is the U.S. Dollar. Most days, the Dollar opens neutral to higher and then starts dropping throughout the day. A move lower on the Dollar during market hours has a continued effect on the markets to the upside. A weaker Dollar is still good for U.S. stocks. The PowerShares DB US Dollar Index Bullish (NYSE:

) is trading at $22.40, -0.07 (-0.31%). All these factors together make for a market that is unlikely to sell off sharply unless a global event occurs that increases volume and sends panic in the air. Egypt caused a one day sell off two weeks ago. That gives an example of what must occur. Note how that was a one day sell off. To see a bigger sell off in the markets, a multi day sell off, there must be something even more drastic than Egypt. Apple Inc. (NASDAQ: