He also likes electronic-products maker Hubbell Inc. (nyse: HUB.b - news - people ), which reported a 39% gain in first-quarter revenue, as well as 20 consecutive quarters of positive operating cash flow.

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On the other hand, the majors' strengthening of the hub-and-spoke networks (by which travelers go from A to B via a hub in airport C) imply that entry into new markets -- what in the industry is called "city-pairs" -- is relatively simple.

CNN: Why American-US Airways deal is good