Nintendo (NTDOY), whose competitors include Microsoft (MSFT) and Sony (SNE), has had a couple of rough trading sessions. It has to do with disappointment surrounding the release date of the Nintendo 3DS hand-held system -- which will miss the holiday season -- as well a bad profit outlook (I'm presuming the latter issue was more responsible for the bearishness than the former one).

My colleague Gary Sattler gave his opinion on the situation the other day. The question is, should an investor buy the company's American Depositary Receipts (ADRs) on pullbacks? What kind of opportunity do they represent? Yesterday, they closed down 4.9% to $31.20. Volume was very heavy.

Lionsgate (LGF) needed The Expendables to be a hit, as I noted last week. And management scored on that count. According to early estimates for domestic theatrical performance at Box Office Mojo, the movie nabbed first place with $35 million over the three-day weekend.

Coming in a strong second was Sony's (SNE) Eat Pray Love, which had a ton of buzz surrounding it going into its debut, capturing $23 million. Not bad.

Analyst upgrades:

• Oppenheimer upgraded Goldman Sachs (GS) to Outperform from Perform following the company's $550M settlement with the SEC. Opco has a $213 price target for Goldman shares. BofA/Merrill upgraded Goldman Sachs to Buy from Neutral and raised its price target to $182 from $160.
• Wells Fargo upgraded JP Morgan (JPM) to Outperform from Market Perform following the company's Q2 results citing valuation and lower credit costs. The firm keeps a valuation range for shares of $48-$51.
• Goldman upgraded Murphy Oil (MUR) to Buy from Neutral and has a $61 price target on the stock. The firm cites Murphy's Eagle Ford growth and valuation for the upgrade.
• Precision Cast (PCP) was upgraded to Outperform from Neutral at Credit Suisse.
• Pride International (PDE) was upgraded to Buy from Hold at Jefferies.
• BHP Billiton (BHP) was upgraded to Overweight from Neutral at HSBC.

How much do you love your Apple (AAPL) iPad and iPhone? Would you be willing to make them?

As you know, many of the electronic products we enjoy are made by factory workers overseas. Foxconn, located near Hong Kong in Shenzhen, China, is one of the big manufacturers of all things electronic. It employs about 300,000 workers who will be getting a hefty 30% raise in October to 2,000 yuan per month. After several suicides among its employees, the company has been under pressure to improve working conditions at its factories.

When you think 3D TV, the possibilities are limitless. That game-winning touchdown pass spiraling out of your flat screen, alien invaders flying ships through the screen ... and yes, even naked women strutting their stuff in your living room.

It's this latter and controversial content that is fueling the 3D business in Japan right now, where a pair of porn stars are leading the charge in developing three-dimensional entertainment that is compatible with Sony (SNE) and Panasonic (PC) televisions.

Private conglomerate Virgin Group has had its hands in everything from airlines to media to mobile phones. It even has its own vodka brand, launched in 1994. But according to a new website set to launch June 15 called VirginGaming.com, it appears that the next Virgin venture will be video games. The debut is going to be watched closely by many publicly traded video game studios, including Sony (SNE), which has partnered with the site on a promotional deal for one of its games.

Nintendo Co., Ltd. (ADR) (NTDOY) is an entity I've been cautious on. I've made money on it before, but to be honest, even though it has done very well for some market players in recent months, I find the ADRs difficult to buy. They are currently priced at $42.45. I would really like to see them a lot lower before entertaining a trade.

Problem is, I'm not sure when, or if, they will go lower (not in the short term, anyway). They're currently near a 52-week high, and after a news item I just read, I have to admit I'm feeling more and more bullish on the business.