Activision Blizzard’s hugely anticipated "Call of Duty: Modern Warfare 2'' video game went on sale early Tuesday morning and analysts' sales estimates for the $60 game range from 11 to 13 million units by the end of 2009. So how should investors play it? Edward Williams, gaming analyst at BMO Capital Markets, shared his insights.    Read More

Today, we have a new kind of craze, courtesy of Apple, its iPhone, and that incredible engine-that-could, the App Store. Look no further than Radio Shack this morning.    Read More

The Fast Money crew likes Wal-Mart, even more so after a recent breakout from a triangle formation — a very bullish indicator for the retailer.   Read More

Apple's not-so-secret weapon in its war for mobile dominance reached a stunning plateau this morning: 100,000 apps are now available on the Apple App Store, even as rivals try desperately to play catch-up.   Read More

The Lightning Round is extended in this CNBC.com exclusive feature.   Read More

Big problems for World of Warcraft fans in China, and there are lots of them, as first reported by GameSpot yesterday. But this could be as big, if not a bigger problem for Activision investors and that's why it's certainly worth mentioning here.    Read More

Bobby Kotick, CEO of Activision Blizzard, tells me that "DJ Hero" won't just change his company's business, but will change the world.    Read More

Two years ago today, the Dow and S&P hit their all-time highs.  The Nasdaq hit its high (not an all-time high) a few weeks later. Here are some factoids on the indices and the VIX since 10/9/07.   Read More

Cisco's play for Tandberg is a real sign of the times for cash rich tech companies. Here's a company trading at or near its 52-week high, and yet dips into its swollen coffers and pays for the $3 billion deal all in cash. And why not, with $35 billion in cash on the balance sheet, Cisco can certainly afford it.   Read More

October is here and the kickoff to earnings season is just around the corner with Alcoa set to report next week.  Here are the Top 20 stocks in the S&P 500 with the greatest expected year-on-year analyst growth forecasts.   Read More