12 Stocks Moving In Wednesday's Pre-Market Session

Gainers

Zillow Group, Inc.- Class C (NASDAQ: Z) rose 13.21 percent to $28.37 in pre-market trading. Zillow reported a wider-than-expected loss for its first quarter, but the company exceeded analysts’ sales estimates. The company also issued a strong guidance for second quarter and full year.

Oclaro, Inc. (NASDAQ: OCLR) rose 6.45 percent to $5.45 in pre-market trading as the company reported upbeat quarterly sales and issued a strong sales forecast.

Shopify Inc (NYSE: SHOP) shares rose 6.38 percent to $32.70 in the pre-market trading session as the company reported stronger-than-expected quarterly results and raised its revenue outlook for the full year.

Qiwi PLC (NASDAQ: QIWI) shares rose 4 percent to $11.45 in pre-market trading after declining 4.68 percent on Tuesday.

Medivation Inc (NASDAQ: MDVN) shares rose 4.83 percent to $60.30 in pre-market trading as Reuters reported that Pfizer Inc. (NYSE: PFE) has made a takeover approach, according to sources.

CBS Corporation (NYSE: CBS) shares rose 2.38 percent to $56.89 in pre-market trading as the company reported better-than-expected earnings for its first quarter on Tuesday.

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Losers

Glu Mobile Inc. (NASDAQ: GLUU) shares fell 15.36 percent to $2.26 in pre-market trading as the company issued weak forecast for the full year and announced plans to reduce its workforce by around 85.

Relypsa Inc (NASDAQ: RLYP) fell 10.51 percent to $15.50 in pre-market trading as the company reported a $150 million debt financing. Mizuho Securities downgraded Relypsa from Neutral to Underperform.

Priceline Group Inc (NASDAQ: PCLN) shares fell 10.19 percent to $1,217.00 in pre-market trading. Priceline reported better-than-expected Q1 results, but issued a weak profit forecast for the second quarter.

Adamas Pharmaceuticals Inc (NASDAQ: ADMS) shares fell 7.12 percent to $15.00 in pre-market trading after declining 5.00 percent on Tuesday.

Randgold Resources Ltd. (ADR) (NASDAQ: GOLD) shares fell 6.96 percent to $89.00 in pre-market trading on Q1 results. Randgold reported Q1 earnings of $0.58 per share.

Illumina, Inc. (NASDAQ: ILMN) shares fell 4.98 percent to $127.00 in pre-market trading as the company reported downbeat results for its first quarter and issued a weak guidance.