The following video is from Thursday's MarketFoolery podcast, in which host Chris Hill, along with analysts Matt Argersinger and Jason Moser discuss the top business and investing stories of the day.

Shares of Blackberry (BB -3.14%) were up sharply after the company announced that a partner had ordered one million of Blackberry's Z10 phones. In this installment of MarketFoolery, our analysts speculate about Blackberry's mystery buyer, and weigh in on the growing competition between Samsung and Apple (AAPL 0.52%).

There's no doubt that Apple is at the center of technology's largest revolution ever, and that longtime shareholders have been handsomely rewarded with over 1,000% gains. However, after the company's major backslide recently, there is a debate raging as to whether Apple remains a buy. The Motley Fool's senior technology analyst and managing bureau chief, Eric Bleeker, is prepared to fill you in on both reasons to buy and reasons to sell Apple, and what opportunities are left for the company (and your portfolio) going forward. To get instant access to his latest thinking on Apple, simply click here now.

The relevant video segment can be found between 0:00 and 12:45.

For the full video of today's MarketFoolery, click here.