Alison Healey

This high-yielding U.K.-based utility is making big moves to diversify its businesses and grow its profits, but it has hit a snag.

The tech company may build on last year's gains as it launches new devices to take on the public safety communications market.

A series of financial missteps led to a delisting for Stereotaxis in 2013. Now that a new CEO has made some progress toward a turnaround, the robotic technology company may deserve a second chance.

Sempra Energy made a big bet on US liquefied natural gas export, and the market will soon see how that bet pays off for investors.

Cubic’s transportation systems unit was a bright spot in its mixed Q4 earnings. It’s a good time to see if the company makes sense as a long-term investment.

Record power prices in the Texas power market are benefiting established power generators in the region, and NRG Energy is at the top of the list.

The company is distinguishing itself from other renewable energy investors with its niche focus and an eye on tax advantages.

Some renewable energy developers have been busy locking in state contracts, leasing federal waters, and preparing to use tax credits on US offshore wind projects. They may be setting themselves up for improved longer-term profits in the evolving yet uncertain industry.

Iron Mountain hasn’t proved to be a rewarding investment lately, but its recent success in opening new facilities, cutting costs, and achieving favorable interest rates on debt show management may be headed in the right direction.