Timothy Green

Mining of Bitcoin alternatives are driving sales of AMD's high-end GPUs, which are more efficient at mining cryptocurrencies than NVIDIA products. But this demand will be short-lived, and it may end up hurting AMD in the end.

Server sales fell by 3.7% in the third quarter as big cloud companies increasingly design their own servers around Intel chips. HP and IBM, the No. 1 and No. 2 server vendors, are seeing declining hardware margins as a result.

NVIDIA has launched a beta of GRID, a cloud gaming service for its Shield handheld console. Both NVIDIA and AMD offer graphics virtualization platforms, but AMD relies solely on partners to run the actual services.

A few weeks after launch, the PlayStation 4 appears to be in higher demand than the Xbox One. This is no doubt thanks in part to its lower price.

Costco is one of the few stores remaining closed on Thanksgiving, giving employees the day off and presenting a PR challenge to other retailers.

DineEquity, parent company of Applebee's, is installing 100,000 Intel powered tablets in its restaurants. This deal follows in the footsteps of Brinker International, operator of the Chili's brand, which announced a similar deal earlier this year.

Staples is aggressively taking costs out of its business, much like Best Buy has been doing, as it deals with lower demand for office supplies. These cost cuts combined with opportunities presented by the merger of Office Max and Office Depot should allow Staples to maintain its profitability.

While Barnes & Noble's recent earnings look disappointing, there are bright spots that show that the company has real potential going forward.

Intel's recent investor meeting provided poor guidance, disappointing many investors. But, contained within the presentation were a few items worth discussion.

Hewlett-Packard's fourth-quarter earnings showed improvement, but the company's core problems still exist. A return to growth is still years away, and profits are still falling considerably.

With the Call of Duty series sticking to the same basic formula for years, the newest entry has received the lowest Metacritic score in franchise history. With sales having peaked in 2011, Activision Blizzard's cash cow is in danger given rising competition from Electronic Arts' Battlefield series. Perhaps Activision should take a page out of Take-Two Interactive's handbook.

While some investors may be happy with J.C. Penney's third-quarter results, the company has been selling some inventory at extreme discounts, boosting sales while hurting profitability. There's still no real proof of a turnaround amid increasing competition from Macy's and Kohl's.

With McDonald's set to start selling McCafe-branded packaged coffee in grocery stores next year, it seems that the fast-food giant is straying from its core business. This could cause trouble for the company down the road.

The head of the devices and services division at Microsoft has essentially signed a death warrant for Windows RT, stating that the company will not continue to have three different operating systems.

While Cisco beat earnings estimates earlier this month, the company issued abysmal guidance that has many investors and analysts scratching their heads. How concerned should Cisco investors be?

Sprint and Best Buy are offering a year of free service for students who buy a phone at full price from the electronics retailer this holiday season. Here's what it means for both companies.

Valve is planning to take over the living room, with PCs running a custom Linux operating system built specifically for gaming. These Steam Boxes are creating a lot of excitement even amidst the much anticipated console refreshes from Sony and Microsoft, but will they be successful?

Staples is reinventing itself as a one-stop-shop for businesses as demand for traditional office supplies weakens. While profits are being squeezed, the long-term picture looks promising.

NVIDIA and IBM recently signed a deal to put NVIDIA's Tesla chips inside of IBM's Power servers and accelerate IBM's enterprise software. This is big news for both companies, as well as competitor Intel.

With sales slowing and competition on all fronts, Whole Foods is facing the prospect of lower margins and slowing growth. Is the growth story over?