Declining fuel prices stoked great returns at several of these companies, but that's not a lasting advantage.
The device maker's planned acquisition of Covidien will make it a force to be reckoned with.
Our picks from the ideas of some of the best investment minds around.
Market volatility has shaped the performance of many top managers this year.
A roundup of investment news.
Plus, Pfizer stubs a toe, DeVry draws undergrads, and more.
M&A activity contributes to surge.