TORONTO (Reuters) - BlackBerry Ltd (TO:BB) shares fell as much as 3.6 percent in Toronto trade on Tuesday after brokerage Goldman Sachs (NYSE:GS) issued a "sell" recommendation on the stock, citing concerns about rising competition in its core mobile messaging business.
The stock traded as low as C$11.52 in Toronto morning trade on Tuesday, a day after Goldman issued the report.
Canadian markets were closed on Monday for a national holiday.
BlackBerry's U.S.-listed shares fell 3.6 percent on Monday. They were little changed on Tuesday, rising 0.3 percent.