35 Stocks Moving In Friday's Mid-Day Session

Gainers

• Genprex, Inc. (NASDAQ:GNPX) jumped 46.7 percent to $16.1331. The low-float small-cap clinical stage gene therapy company saw its stock rally nearly 150 percent from Monday through Thursday. Formal news hasn't been announced this week that would support a triple-digit percentage rally (including more than 200 percent at one point on Thursday) but the quiet period following its initial public offering will expire on May 8.
• Celyad SA (NASDAQ:CYAD) shares gained 24.7 percent to $36.17. Celyad reported the publication of THINK study case report of CYAD-01 Induced Complete Remission in relapsed/refractory AML patient in haematologica.
• DMC Global Inc. (NASDAQ:BOOM) shares jumped 23.2 percent to $39.00 after the company reported upbeat Q1 results and issued upbeat Q2 guidance.
• eHealth, Inc. (NASDAQ:EHTH) gained 21.8 percent to $19.58 as the company posted upbeat Q1 results.
• Enova International, Inc. (NYSE:ENVA) climbed 20.4 percent to $27.20 following Q1 results.
• SVB Financial Group (NASDAQ:SIVB) shares jumped 18.2 percent to $304.135 following strong quarterly results.
• Knowles Corporation (NYSE:KN) gained 13.9 percent to $12.70 as the company reported Q1 results.
• Zymeworks Inc. (NYSE:ZYME) gained 13.8 percent to $17.36.
• Cocrystal Pharma, Inc. (NASDAQ:COCP) rose 11.8 percent to $2.336 after declining 25.09 percent on Thursday.
• ImmunoGen, Inc. (NASDAQ:IMGN) shares surged 11.7 percent to $11.75 after the company announced 'successful completion of interim analysis' for FORWARD I Phase 3 mirvetuximab soravtansine trial.
• Eloxx Pharmaceuticals, Inc. (NASDAQ:ELOX) gained 9.5 percent to $12.70.
• Expedia Group, Inc. (NASDAQ:EXPE) shares rose 8.5 percent to $115.3801 after the company reported stronger-than-expected earnings for its first quarter on Thursday.
• Sprint Corporation (NYSE:S) shares rose 8.3 percent to $6.50. The stock moved higher after a Reuters report suggested ongoing merger talks with T-Mobile Us Inc (NASDAQ:TMUS) are proceeding and could even be completed "as early as next week." The report cautioned "there is no certainty that a deal will be reached."
• Brinker International, Inc. (NYSE:EAT) gained 5.8 percent to $43.75. RBC Capital upgraded Brinker from Sector Perform to Outperform.
• Amazon.com, Inc. (NASDAQ:AMZN) rose 4.9 percent to $1,590.69 after the company posted upbeat results for its first quarter. The company sees second quarter operating income of $1.1 billion - $1.9 billion and sales of $51 billion - $54 billion.
• Baidu, Inc. (NASDAQ:BIDU) rose 4.6 percent to $249.75 following upbeat Q1 profit.

Check out these big penny stock gainers and losers

Losers

• World Fuel Services Corporation (NYSE:INT) tumbled 18 percent to $22.90 following Q1 results.
• Biglari Holdings Inc. (NYSE:BH) fell 17.4 percent to $349.52. Washington Prime Group will replace Biglari Holdings in the S&P SmallCap 600 on Tuesday, May 1.
• Flex Ltd. (NASDAQ:FLEX) dipped 15.7 percent to $14.03 after a mixed fourth quarter report.
• FormFactor, Inc. (NASDAQ:FORM) fell 15.3 percent to $11.65. FormFactor is expected to release Q1 results on May 2.
• Data I/O Corporation (NASDAQ:DAIO) dropped 14.3 percent to $6.24 following Q1 results.
• National Instruments Corporation (NASDAQ:NATI) fell 14.3 percent to $ 42.34 after reporting Q1 results.
• United States Steel Corporation (NYSE:X) dipped 14.2 percent to $32.37 following Q1 results.
• Civeo Corporation (NYSE:CVEO) dropped 13.5 percent to $3.33. Civeo posted a Q1 loss of $0.42 per share on sales of $101.504 million.
• athenahealth, Inc. (NASDAQ:ATHN) fell 12.4 percent to $125.310 after reporting Q1 results.
• Charter Communications, Inc. (NASDAQ:CHTR) shares tumbled 12.1 percent to $262.06 as the company posted Q1 results.
• Value Line, Inc. (NASDAQ:VALU) fell 11.3 percent to $19.10.
• Federated Investors, Inc. (NYSE:FII) shares dropped 11.2 percent to $27.605 after the company posted downbeat quarterly earnings.
• AV Homes, Inc. (NASDAQ:AVHI) declined 10.7 percent to $17.20 following Q1 results.
• CalAmp Corp. (NASDAQ:CAMP) dropped 9.4 percent to $21.01 after reporting Q4 results.
• Tandem Diabetes Care, Inc. (NASDAQ:TNDM) shares fell 8.9 percent to $7.280 following mixed Q1 results.
• Sony Corporation (NYSE:SNE) shares fell 8.4 percent to $45.97 after reporting Q4 results.
• LogMeIn Inc (NASDAQ:LOGM) fell 8.2 percent to $109.825. LogMeIn reported upbeat earnings for its first quarter, but issued weak second quarter and FY18 earning guidance.
• Eleven Biotherapeutics, Inc. (NASDAQ:EBIO) fell 7.7 percent to $2.17.
• ATN International, Inc. (NASDAQ:ATNI) dropped 7.2 percent to $56.7825. BWS Financial downgraded ATN International from Hold to Sell.