ABB Ltd. (NYSE: ABB) was started as Sell at Citigroup.

Aduro BioTech Inc. (NASDAQ: ADRO) was downgraded to Perform from Outperform at Oppenheimer.

CBOE Holding Inc. (NASDAQ: CBOE) was downgraded to Market Perform from Outperform at Raymond James.

Chimerix Inc. (NASDAQ: CMRX) was started as Neutral with a $50.00 fair value estimate (versus a $41.92 close) at Janney Capital Markets.

Conn’s Inc. (NASDAQ: CONN) was raised to Buy from Hold with a $35 price target (versus a $26.67 close) at Stifel.

Fidelity National Information Services Inc. (NYSE: FIS) was started as Neutral with a $70.00 price target (versus a $63.67 close) at Goldman Sachs.

Joy Global Inc. (NYSE: JOY) was downgraded to Underperform from Neutral and the price objective was slashed to $10 from $21 (versus a $15.35 close) at Bank of America Merrill Lynch.

Keysight Technologies Inc. (NYSE: KEYS) was started as Hold with a $30.00 price target (versus a $30.81 close) at Deutsche Bank.

Leucadia National Corp. (NYSE: LUK) was started with an Outperform rating and was given a $27 price target (versus a $17.68 close) at Oppenheimer.

Newmont Mining Corp. (NYSE: NEM) was downgraded to Neutral from Buy at Citigroup.

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Rexx Energy Corp. (NASDAQ: REXX) was downgraded to Sell from Hold and was given a $0.75 price target (versus a $1.37 close) at Stifel.

TG Therapeutics Inc. (NASDAQ: TGTX) was started as Outperform with a $29.00 price target (versus a $13.18 close) at FBR Capital Markets.

uniQure N.V. (NASDAQ: QURE) was started as Buy and was given a $40.00 fair value estimate (versus a $21.57 close) at Janney Capital Markets.

Xerox Corp. (NYSE: XRX) was started with a Neutral rating and was assigned a $10 price target (versus a $10.55 close) at Goldman Sachs.

Zendesk Inc. (NYSE: ZEN) was reiterated as Buy at Canaccord Genuity and it was still called a top small cap growth pick. That being said, its shares have risen from about $19 to $25 in a few weeks, and they feel the stock needs a pause to catch its breath through year-end.

In case you missed Monday’s top analyst upgrades and downgrades, they were in shares of Fitbit, General Electric, Lockheed Martin, Lululemon Athletica, Marriott International, Microsoft, Philip Morris, SLM and over a dozen more companies.