This Week's 5 Smartest Stock Moves

If you're feeling good about the market, you're not alone. Take my hand as we go over some of this week's more uplifting headlines.

1. The laws of supply and On Demand
Sirius XM Radio (NAS: SIRI) is having a great week.

The satellite radio provider posted strong quarterly results, boosting its adjusted EBITDA target for all of 2012 from $875 million to $900 million.

It also officially launched SiriusXM On Demand. Now subscribers with streaming access to the media giant can play 200 proprietary shows whenever they want.

This is more important than you may think. Sirius XM is largely consumed as a receiver-based service. Sirius XM offers a stand-alone streaming subscription that's also available for just a few dollars more per month to existing receiver-based subscribers.

SiriusXM On Demand will help retain subscribers while also increasing average revenue per user as customers upgrade their accounts to take advantage of the new Web-served feature. Personalized radio will also be available for streaming accounts later this year.

2. Pop goes the world
SodaStream (NAS: SODA) is getting busy with the fizzy.

The Israeli company behind the popular home-based system that turns still water into sparkling seltzer posted blowout quarterly results.

Revenue soared 49%, fueled by both a 49% pop in revenue from starter kits and an encouraging 49% increase in sales of the carbonators and soda flavors, showing that folks are actually using the portable appliance. This isn't the old Margaritaville blender or fondue pot that's collecting dust in the attic.

Adjusted earnings climbed a better-than-expected 41% to $0.52 a share, and SodaStream is raising its guidance for the balance of the year.

Soft drinks may not seem like a growth business, but the convenience and eco-friendly nature of SodaStream's product are making it a global winner.

3. Baidu won't put up with baddies
Baidu (NAS: BIDU) began the week digging its way out of a scandal.

China's leading search engine fired some employees -- and turned three over to the local police -- for allegedly accepting money to delete posts in the company's popular Postbar discussion board.

It's the right thing to do. Baidu has been on the losing end of scandals before, conceding several years ago that it was accepting advertisements from unlicensed providers of medical products. There were also the accusations that Baidu's search engine facilitated online piracy.

Baidu is China's most respected Internet company, and it can't put up with any potential misdeeds that will tarnish the company's credibility. Will the situation sting morale at the company? If it does, it probably won't affect the company's more honest employees, so this is a win-win situation.

4. Take this 51job and love it
Staying in China, 51job (NAS: JOBS) posted expectation-beating second-quarter results last night.

The job listings specialist saw its revenue climb 8% to $56.7 million -- but don't let the single-digit uptick fool you. 51job is in the process of scaling back its low-margin 51job Weekly print publication business. The company's higher-margin online recruitment services business grew 18% to account for 65% of 51job's revenue mix. 51job's profit clocked in at $0.61 a share, or $0.66 a share after backing out stock-based compensation expenses.

Analysts figured that 51job would only earn $0.57 a share on $55.4 million in revenue.

Armed with $358.9 million in cash at the end of Q2 and encouraging guidance for the current quarter, it seems as if 51job is more than qualified to get the job done.

5. Jack Black goes to Shanghai
DreamWorks Animation
(NYS: DWA) is making sure Kung Fu Panda 3 is a little more authentic than its predecessors.

The computer animation studio unveiled an entertainment district that it and a handful of Chinese joint venture partners will open in Shanghai in four years. There will be shops, restaurants, and attractions, but the neat thing here is that it will also include a state-of-the-art animation studio.

The new Chinese studio will begin cranking out computer animation on its own by 2016, starting with the co-production of Kung Fu Panda 3.

DreamWorks Animation owns a 45% stake in the venture, which will help the company ramp up production for the world's most populous nation as it broadens exposure to its brand overseas.

Shrek is green with envy.

Keep it coming
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The Motley Fool owns shares of Sodastream International and Fool newsletter serviceshave recommended buying shares of Dreamworks Animation, 51job, Sodastream International, and The Motley Fool has adisclosure policy. We Fools may not all hold the same opinions, but we all believe thatconsidering a diverse range of insightsmakes us better investors. Try any of our Foolish newsletter servicesfree for 30 days.Longtime Fool contributorRick Munarrizcalls them as he sees them. He does not own shares in any of the stocks in this story. Rick is also part of theRule Breakersnewsletter research team, seeking out tomorrow's ultimate growth stocks a day early.

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