Activision Blizzard Inc. (NASDAQ: ATVI) was reiterated Buy with a price target of $30.00 (versus a $25.73 close) at Argus, based on strong earnings results and slightly higher guidance.

Bazaarvoice Inc. (NASDAQ: BV) was started with a Buy rating and was assigned a price target of $9.00 (versus a $5.64 close) at Needham. Bazaarvoice has a consensus price target that is actually higher at $9.75.

Blackstone Group L.P. (NYSE: BX) was reinstated as Outperform with a price target of $54.00 (versus a $43.63 close) at Credit Suisse.

Cablevision Systems Corp. (NYSE: CVC) was started with a Neutral rating and a price target of $23.00 (versus a $25.29 close) at Goldman Sachs. Cablevision’s consensus analyst price target is even lower around $20.50.

CTI BioPharma Corp. (NASDAQ: CTIC) was reiterated as Buy with a fair value estimate of $3.50 (versus a $1.92 close) at Janney Capital Markets. The firm believes the ASCO conference could offer an upward catalyst as it shows detailed results from its Phase 3 myelofibrosis trial.

Dicerna Pharmaceuticals Inc. (NASDAQ: DRNA) was started with a Buy rating and price target of $25.00 (versus a $16.45 close) at Jefferies. The consensus price target is even higher at $35.00, and the 52-week range is $8.00 to $27.33.

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Knight Transportation Inc. (NYSE: KNX) was downgraded to Neutral from Buy at Bank of America Merrill Lynch, with a $33.00 price objective (versus $30.07 close). Knight’s consensus analyst price target is $35.76.

MagnaChip Semiconductor Corp. (NYSE: MX) was raised to Buy from Hold with a price target of $9.00 (versus a $6.39 close) at Topeka Capital Markets. Its consensus price target is $8.00.

Marvell Technology Group Ltd. (NASDAQ: MRVL) was started with a Sell rating and was given a price target of $13.00 (versus a $14.20 close) at Citigroup. Marvell’s consensus target is closer to $15.00, and it has a 52-week range of $11.65 to $16.78.

Pacific Sunwear of California Inc. (NASDAQ: PSUN) was maintained as Buy with a fair value estimate of $2.50 (versus a $1.72 close) at Janney Capital Markets. The firm noted that the turnaround paused with negative comparable sales, but it still believes in a long-term return to profitability. Yet, Mizuho downgraded the stock to Neutral from Buy.

Potash Corp. of Saskatchewan (NYSE: POT) was downgraded to Hold from Buy and the price target was cut to $35 from $39 (versus a $32.33 close) at TD Securities.

Superior Energy Services Inc. (NYSE: SPN) was started with an Overweight rating and a price target of $31.00 (versus a $22.97 close) at JPMorgan. The consensus analyst price target is $29.38.

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Tech Data Corp. (NASDAQ: TECD) was downgraded to Market Perform from Outperform at Raymond James.

United Rentals Inc. (NYSE: URI) was downgraded to Underperform from Neutral and was given a downside price target of $80 (versus a $94.95 close) at Merrill Lynch. The consensus price target is closer to $110.

Zebra Technologies Corp. (NASDAQ: ZBRA) was started as Outperform with a $140 price target (versus a $109.40 close) at Oppenheimer.

In case you missed Thursday’s top analyst upgrades and downgrades, they were in shares of Antares Pharma, Michael Kors, Palo Alto Networks, Ralph Lauren, Chipotle Mexican Grill, Ericsson and over a dozen more companies.