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Digital Ally, Inc. (NASDAQ: DGLY) shares climbed
37.6 percent to $4.33 after the company reported a 'significant victory' in legal battles against Axon Enterprise Inc
(NASDAQ: AAXN).
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Zion Oil & Gas, Inc. (NASDAQ: ZN) shares surged 21
percent to $5.12.
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AVEO Pharmaceuticals, Inc. (NASDAQ: AVEO) shares
gained 9.8 percent to $2.67.
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Spark Energy Inc (NASDAQ: SPKE) shase rose 8.9
percent to $18.95. Guggenheim upgraded Spark Energy from Neutral to Buy.
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Aileron Therapeutics Inc (NASDAQ: ALRN) shares
climbed 7.3 percent to $14.27 after gaining 8.04 percent on Thursday.
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Arena Pharmaceuticals, Inc. (NASDAQ: ARNA) rose
7.3 percent to $19.30. JMP Securities upgraded Arena Pharmaceuticals from Market Perform to Market Outperform.
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Solaredge Technologies Inc (NASDAQ: SEDG) gained
6.3 percent to $20.77. SolarEdge Technologies will replace Knight Transportation (NYSE: KNX) in the S&P SmallCap 600 before the opening bell on July 12.
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Verastem Inc (NASDAQ: VSTM) shares rose 4.6
percent to $3.61 after climbing 41.98 percent on Thursday.
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Synchronoss Technologies, Inc. (NASDAQ: SNCR)
shares gained 4.5 percent to $16.57 after the company reported the review of strategic alternatives. The company said strategic
alternatives could include sale or other transaction.
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The Advisory Board Company (NASDAQ: ABCO) gained
4.4 percent to $56.60 on a Bloomberg report that UnitedHealth Group Inc (NYSE: UNH) and Vista Equity partners are near a deal to buy the company, according to
sources. The sources say UNH would acquire ABCO's health-care division, while Vista would acquire the education unit for as
much as $1.5 billion.
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Sparton Corporation (NYSE: SPA) rose 3.4 percent to
$23.12 after the company agreed to be acquired by Ultra Electronics Holdings plc for $23.50 per share in cash.
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Winnebago Industries, Inc. (NYSE: WGO) shares rose 3
percent to $34.90. Stifel Nicolaus initiated coverage on Winnebago with a Buy rating.
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