Sirius, Tesla, IBM: Tech Premarket

NEW YORK ( TheStreet) -- Sirius XM ( SIRI) was a big winner in pre-market trading on Tuesday, lifted by the addition of 715,000 new subscribers.

Shares of Sirius climbed 1.72% to $3.54. The Internet radio giant was also one of the most active pre-market Nasdaq stocks on share volume of 1,423,446.

In a statement released early on Tuesday, Sirius announced that it added 715,000 net new subscribers during the second quarter, taking its total subscribers to more than 25 million. The growth was helped by strong automotive sales, according to the New York-based firm.

Sirius also raised its full-year guidance for total net subscriber additions to 1.5 million, from its previous guidance of 1.4 million.

Facebook ( FB) was another gainer, rising 0.77% to $24.90, while Tesla ( TSLA) climbed 2.99% to $125.25, boosted by news that the electric car maker is joining the Nasdaq 100.

BlackBerry ( BBRY) shares were up 1.05% to $9.65, while Kandi Technologies ( KNDI) gained 6% to $5.65.

Shares of IBM ( IBM), however, slipped 1.42% to $192.21 after the tech heavyweight received a downgrade from Goldman Sachs ( GS).

--Written by James Rogers in New York.

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