We tracked the short interest in the following Nasdaq most actively traded stocks: Facebook Inc. (NASDAQ: FB), Sirius XM Radio Inc. (NASDAQ: SIRI), Intel Corp. (NASDAQ: INTC), Microsoft Corp. (NASDAQ: MSFT), Zynga Inc. (NASDAQ: ZNGA), Apple Inc. (NASDAQ: AAPL), Oracle Corp. (NASDAQ: ORCL), Yahoo! Inc. (NASDAQ: YHOO), Cisco Systems Inc. (NASDAQ: CSCO) and Dell Inc. (NASDAQ: DELL).

Facebook Inc. (NASDAQ: FB) saw short interest fall 3% to 85.4 million shares, 6.6% of the company’s total float.

Sirius XM Radio Inc. (NASDAQ: SIRI) short interest rose 9% to 283 million shares, which represents 8.6% of the company’s float.

Intel Corp. (NASDAQ: INTC) showed a rise of 15.6% in short interest, to 176 million shares, about 3.5% of Intel’s float.

Microsoft Corp. (NASDAQ: MSFT) showed a rise of 5.7% in short interest, to 87.8 million shares, about 1.2% of Microsoft’s float.

Zynga Inc. (NASDAQ: ZNGA) saw short interest fall more 2.1% to 18.9 million shares, 4.5% of the company’s total float.

Apple Inc. (NASDAQ: AAPL) showed a rise of 2.3% in short interest, to 13.6 million shares, or 1.5% of Apple’s float.

Oracle Corp. (NASDAQ: ORCL) saw short interest rise 0.3% to 41.2 million shares, or 1.1% of the company’s float.

Yahoo! Inc. (NASDAQ: YHOO) showed a drop of 5.4% in short interest, to 30 million shares, or 2.8% of the company’s float.

Cisco Systems Inc. (NASDAQ: CSCO) showed a rise of 1.8% in short interest, to 58.2 million shares, or 1.1% of the company’s float.

Dell Inc. (NASDAQ: DELL) showed a rise of 14.6% in short interest, to 51.6 million shares, or 3.5% of the carmaker’s float.

Paul Ausick

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