21 Stocks Moving in Tuesday's Pre-Market Session

Gainers

• NIO Inc. NIO shares rose 11.3% to $1.72 in pre-market trading after the company reported Q3 vehicle sales up 35% from Q2.
• Helen of Troy Limited HELE rose 6.8% to $170.00 in pre-market trading after the company reported better-than-expected results for its second quarter and raised its 2020 forecast.
• The Children's Place, Inc. PLCE shares rose 6% to $76.07 in pre-market trading.
• Harmony Gold Mining Company Limited HMY rose 4.6% to $3.19 in pre-market trading.
• Endeavour Silver Corp. EXK rose 3.4% to $2.44 in pre-market trading.
• Precipio, Inc. PRPO rose 2.8% to $2.56 in pre-market trading after gaining 5.96% on Monday.
• Sibanye Gold Limited SBGL rose 2.4% to $6.45 in pre-market trading.
• Fortuna Silver Mines Inc. FSM shares rose 2.2% to $3.25 in pre-market trading.

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Losers

• QIAGEN N.V. QGEN shares fell 19% to $25.96 in pre-market trading. Qiagen announced preliminary third-quarter sales, expecting sales growth of about 3% at constant exchange rates, lower than its earlier expectations for 4-5% growth, citing significantly weaker-than-expected developments in China. The company expects adjusted EPS within its outlook of 35-36 cents in constant exchange rate. Separately, the company announced a 15-year partnership with Illumina to broaden the availability and use of NGS-based in-vitro diagnostic kits, including companion diagnostics, for patient management. The company also said its Chairman and CEO Peer Schatz has decided to resign from the positions, although he will serve as Special Advisor to the Supervisory Board.
• Just Energy Group Inc. JE fell 13% to $2.01 in pre-market trading. Canaccord Genuity downgraded Just Energy Group from Buy to Hold.
• Ambarella, Inc. AMBA fell 10.9% to $51.01 in the pre-market trading session after its customer, Hangzhou Hikvision, was put on a blacklist by the Trump administration.
• Ruhnn Holding Limited RUHN fell 7.9% to $6.30 in pre-market trading.
• Puma Biotechnology, Inc. PBYI fell 7.2% to $9.35 in pre-market trading. Goldman Sachs downgraded Puma Biotechnology from Neutral to Sell and lowered the price target from $24 to $8.
• Nektar Therapeutics NKTR shares fell 7.1% to $17.35 after Goldman Sachs downgraded the company's stock from Buy to Sell and lowered the price target from $54 to $16.
• DBV Technologies S.A. DBVT shares fell 6% to $7.73 in pre-market trading after declining 7.74% on Monday.
• NGM Biopharmaceuticals, Inc. NGM shares fell 5.1% to $10.23 in pre-market trading after dropping 20.44% on Monday.
• MongoDB, Inc. MDB shares fell 5% to $129.85 in pre-market trading.
• LG Display Co., Ltd. LPL fell 4.8% to $5.37 in pre-market trading.
• Domino's Pizza, Inc. DPZ shares fell 4.6% to $231.15 in pre-market trading after the company reported downbeat Q3 results.
• Deutsche Bank Aktiengesellschaft DB fell 3% to $6.88 in pre-market trading.
• JD.com, Inc. JD fell 3% to $28.00 in the pre-market trading session.