Bloomberg: The worlds 400 richest people added $74.7 billion to their collective wealth this week as the U.S. labor market capped the biggest three-month jobs gain in 17 years.
Much of the gain was fueled by oil. Brent crude climbed more than 9 percent, adding to an 8.6 percent gain last week. Its still about half the price it was in June.
Oils rise pushed the combined net worth of Charles and David Koch, the billionaire brothers who run Wichita, Kansas-based Koch Industries Inc., to $100 billion as...