As you have probably noticed while filling up, gas prices are down. In fact, The Wall Street Journal reports that crude oil prices have hit a four-year low last week at $81.76 a barrel, thanks to growing supply. While that’s good news for you and me, you would think that would hurt a company like Halliburton, a $47 billion provider of oilfield services and equipment. Higher oil supply means lower margins for oil companies like Halliburton, and many would guess that the company would be conservative right now, not aggressive. But, in fact, the opposite is true. On Monday, Halliburton, …Read more »