Mellody Hobson is President of Ariel investments, a Chicago-based money management firm that serves individual investors and retirement plans through its no-load mutual funds and…

You’ll save a few cents when you fill up your tank this week. New numbers from AAA show the average price for a gallon of gas in the District dropped two cents Monday, to $3.80. Read More: msnbc.msn.com

Thanks to easing demand from a slowing global economy and increased production from Saudi Arabia, the oil market is coming off a two-year cycle of tightening supply, according to the International Energy Agency. That’s helped snap a 13 percent surge in oil prices since the start of the year. Read More: msnbc.msn.com