The company says the report on abnormal returns of its Z10 smartphone are false.
Canada gives Telefonica a $256 million loan to buy BlackBerry handsets.
Some traders bet that BlackBerry's turnaround with its new smartphones is over-hyped.
The company seeks to reestablish itself as an industry leader with its latest smartphone.
The competitive telecom sector has shaken faith in the once-dominant smartphone maker.
The feature could help the smartphone company obtain more enterprise clients.
BlackBerry says it has received an order for one million of its new smartphones.
The iPhone 5 is heavily marketed in India with new installment-based payment plans.
Shares of BlackBerry fell 3% after U.S. home improvement retailer Home Depot said it is replacing them with the iPhone.
The two tech giants constantly war over patent ownership of hardware and software, yet they have benefitted from each other's business.
