A weakening U.S. dollar, combined with oil's continued upward trajectory, gave many macro practitioners a boost in October. Among those on the winning side was London-based Brevan Howard, which produced a 1.29% gain for the month, bringing its year-to-date total to 12.92%. At the other end of the spectrum, Dennis Keegan's beleaguered Auspex fund had a slight recovery, notching up a 0.36% gain. It is still down 12.84% for the year. Other funds that have had a tough time continued to perform in the red, albeit to a lesser extent than in recent months. Those include Barton Biggs'