Now Playing: 01-02-12 Marketplace

The Iowa caucuses are not only a big deal politically, but financially to the state as well. New economic data about manufacturing activity around the world show things may be turning around. At the start of 2012, eight states increased their minimum wage to keep pace with inflation, and the small change could make a big impact. The sports channel Versus rebranded as the NBC Sports Network today. We also look into how music and sound affect the workplace, how managing weight and finances are similar, and what's behind job-hunt success.