NEW YORK ( TheStreet) -- BlackBerry ( BBRY) was a big gainer in premarket trading Monday, climbing 5.11% to $13.69 on share volume of 413,152. The Waterloo, Ontario.-based company unveiled its much-delayed BlackBerry 10 technology last week and announced a major corporate rebranding, changing its name from Research In Motion. Shares of the embattled Canadian handset maker ended last week's trading down almost 26%. Dell ( DELL) shares gained 0.07% to reach $13.64 before market open amid ongoing chatter that the no. 3 PC maker is nearing an agreement to sell itself to a buyout consortium led by CEO Michael Dell and private-equity firm Silver Lake Partners. The Dell chief is expected to take a majority ownership in the firm, with Silver Lake and Microsoft becoming minority investors, according to Reuters, which said that a deal could happen on Monday. Dell was also the one of the most active premarket Nasdaq stocks on share volume of 347,811. Facebook ( FB) shares slipped 0.74% to $29.51 in premarket trading. The social networking phenomenon, which reported fourth-quarter results last week, was also one of the most active premarket Nasdaq stocks on share volume of 217,595. Oracle ( ORCL), which announced a deal to buy Acme Packet ( APKT) for $1.7 billion, was down 1.56% to $35.64. Shares of Sirius XM ( SIRI) rose 0.93% to $3.26, while chip design specialist ARM Holdings ( ARMH) dipped 0.61% to $42.239. Apple ( AAPL) shares were off 0.63% to $450.75. --Written by James Rogers in New York. Follow @jamesjrogers >To submit a news tip, send an email to: email@example.com.