It was a rocky week on Wall Street, with Nasdaq stocks inching lower and the Dow inching higher, but there were plenty of stocks really making some serious moves. Let's take a closer look at five of this past week's biggest scorchers.


April 17

Weekly Gain

Triangle Petroleum (NYSEMKT:TPLM)



Micron Technology (NASDAQ:MU)



Boardwalk Pipeline Partners (NYSE:BWP)









Source: Barron's.

Let's start with Triangle Petroleum, which posted mixed financial results. The Bakken Shale and Three Forks oil chaser fell short against analyst adjusted profit targets for the second quarter in a row, but clocking in with revenue of $85.5 million was nicely higher than the $84 million that the market was expecting. Triangle took the right shape for investors.

Micron Technology moved higher after the market's warm reception to an extended partnership for the memory-chip leader. Micron will work with Wave Systems to develop better advanced data protection solutions. In a market hungry for catalysts, entering into a partnership where you can use timely buzzwords including "cloud computing" and "Internet security" will typically draw the market's attention. 

Boardwalk Partners took a step up to the "Go" square after receiving an analyst upgrade. Bank of America Merrill Lynch is boosting its rating on the transporter of natural gas, from "underperform" to "neutral," as trade reports suggest that it had a healthy season of contracting its pipeline capacity.

Yahoo! moved higher after posting encouraging financial results. The numbers may not seem all that impressive on the surface, as revenue inched just 1% higher after backing out traffic acquisition costs, fueled by a 2% uptick in display advertising revenue on the same basis. But it's the first time Yahoo! has posted an increase in display revenue in three years.

Finally we have Conn's moving up on insider buying. W.R. Stephens and Elizabeth Campbell -- two major investors who were smart to sell shares this past summer, when the stock was trading much higher -- invested a combined $11 million to increase their stakes in the consumer-electronics retailer.

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Rick Munarriz has no position in any stocks mentioned. The Motley Fool recommends Yahoo! Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.