NEW YORK (TheStreet) --Bloomberg TV's Abigail Doolittle appeared on this morning's "Bloomberg GO" to report on stocks moving both higher and lower on the NASDAQ today.

The first stock Doolittle noted was Ambarella (AMBA) - Get Ambarella, Inc. Reportas shares of the chipmaker were higher in the first hour of trading on Tuesday, as both Pacific Crest and Canaccord have increased their price targets on the stock.

"Brad Erikson at Pacific Crest has raised his price target by 22% citing a drone opportunity, plus he thinks that the GoPro (GPRO) holiday season could be strong. But, there's less than 5% upside potential to his new price target of $75 per share. Matt Ramsay at Canaccord took his price target up by 30% to $85 per share, citing many of the same reasons," Doolittle explained.

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Another stock trading higher this morning was Fortinet (FTNT). Shares of the security company were higher as Pacific Crest upgraded the stock.

"Pacific Crest Analyst Rob Owens thinks that the management's focus on enhanced profitability should help the shares, seeing more than 25% upside potential," Doolittle noted.

Finally, Imperva (IMPV) stock was lower as "Rob Owens has downgraded this security software company this morning, taking his rating to a "sector weight," saying the company's fundamentals continue to be challenged," Doolittle said.

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