Top Losers

PowerSecure International (NYSE: POWR) shares fell 61.02% to $7.25 after the company reported a Q1 loss of $0.17 per share on revenue of $52.80 million. Millennial Media (NYSE: MM) dipped 35.33% to $3.46 after the company reported a Q1 loss of $0.12 per share on revenue of $72.60 million. Morgan...

Gulfport Energy (NASDAQ: GPOR) dropped 18.26% to $59.70 in pre-market trading after the company reported weaker-than-expected first-quarter results. Tesla Motors (NASDAQ: TSLA) dipped 7.38% to $186.49 in pre-market trading after the company posted a first-quarter loss of $0.40 per share, versus a...

Corcept Therapeutics (NASDAQ: CORT) declined 50.50% to $1.99 following earnings miss and drug trial halt. Oclaro (NASDAQ: OCLR) declined 31.57% to $1.82 on Q3 results. zulily (NASDAQ: ZU) declined 23.64% to $35.04 on weaker-than-expected Q1 earnings. Datalink (NASDAQ: DTLK) fell 23.33% to $9.76...

Whole Foods Market (NASDAQ: WFM) dropped 16.68% to $39.95 in pre-market trading after the company reported weaker-than-expected fiscal second-quarter results and cut its guidance for 2014. Trimble Navigation (NASDAQ: TRMB) dipped 12.23% to $33.50 in pre-market trading after the company reported...

Advanced Energy Industries (NASDAQ: AEIS) shares dipped 15.10% to $18.16 after the company reported downbeat quarterly results and issued a weak Q2 outlook. Interactive Intelligence Group (NASDAQ: ININ) shares slipped 14.38% to $53.17 after the company reported a Q1 loss of $0.02 per share....

athenahealth (NASDAQ: ATHN) dropped 10.79% to $113.10 in pre-market trading after Greenlight Capital's David Einhorn said that athenahealth's stock price could decline as much as 80%. Ballard Power Systems (NASDAQ: BLDP) dipped 4.19% to $3.20 in pre-market trading after tumbling 6.44% on Monday...

BroadSoft (NASDAQ: BSFT) declined 21.96% to $19.51 after the company reported downbeat quarterly earnings and issued a weak Q2 profit outlook. Realogy Holdings (NYSE: RLGY) shares fell 11.56% to $37.73 on Q1 results. Realogy Holdings posted a quarterly net loss of $46 million. Trex Co (NYSE: TREX...

SINA (NASDAQ: SINA) dropped 3.22% to $46.60 in pre-market trading after the company announced the receipt of government notices from Beijing Municipal Cultural Market and reported Q1 preliminary results. Oppenheimer downgraded Sina from Outperform to Market Perform. JPMorgan Chase & Co (NYSE...

Endocyte (NASDAQ: ECYT) shares fell 61.16% to $6.75 in pre-market trading after the company reported first quarter financial results and provided clinical update. ServiceSource International (NASDAQ: SREV) shares dropped 15.20% to $5.30 in pre-market trading after the company reported downbeat...

SLM (NASDAQ: SLM) shares tumbled 64.35% to $9.18 after gaining 0.10% on Wednesday. Credit Suisse initiated coverage on SLM with a Outperform rating. Emulex (NYSE: ELX) declined 27.83% to $5.16 after the company reported Q3 results. Piper Jaffray downgraded Emulex from Overweight to Neutral and cut...

SLM (NASDAQ: SLM) dropped 63.38% to $9.43 in pre-market trading after gaining 0.10% on Wednesday. Credit Suisse initiated coverage on SLM with a Outperform rating. JDS Uniphase (NASDAQ: JDSU) shares fell 8.45% to $11.60 in pre-market trading after the company reported downbeat Q3 results and...

Regional Management (NYSE: RM) shares fell 28.69% to $15.76 after the company reported Q1 results. The company's GAAP net income fell 17.1% to $5.6 million. Power Integrations (NASDAQ: POWI) declined 28.35% to $41.86 after the company reported downbeat Q1 results and issued a weak Q2 revenue...

Auxilium Pharmaceuticals (NASDAQ: AUXL) dropped 14.40% to $23.42 in pre-market trading after the company cut its 2014 forecast. Auxilium Pharma now expected FY14 revenue of $380 million to $420 million, versus its earlier outlook of $450 million to $490 million. Express Scripts Holding Company (...

Biota Pharmaceuticals (NASDAQ: BOTA) shares dropped 31.24% to $3.83 after the company provided an update on the development of laninamivir octanoate. Gogo (NASDAQ: GOGO) shares slipped 22.08% to $14.32 following news that AT&T (NYSE: T) intended to launch high-speed 4G in-flight connectivity...

Gogo (NASDAQ: GOGO) dropped 18.66% to $14.95 in pre-market trading following news that AT&T (NYSE: T) intended to launch high-speed 4G in-flight connectivity service. Flamel Technologies SA (NASDAQ: FLML) shares fell 12.37% to $11.48 in pre-market trading after the company reported the receipt...