48 Stocks Moving In Monday's Mid-Day Session

Gainers

• Alder BioPharmaceuticals, Inc. (NASDAQ:ALDR) jumped 82.9% to $18.40 after Danish company Lundbeck announced plans to acquire Alder BioPharmaceuticals in a deal valued at around $2 billion.
• SemGroup Corporation (NYSE:SEMG) gained 65.1% to $16.97 following news Energy Transfer will buy the company in a $5 billion deal.
• Yuma Energy, Inc. (NYSE:YUMA) shares rose 64.1% to $5.45 after gaining 5.06% on Friday.
• Whiting Petroleum Corporation (NYSE:WLL) rose 41.2% to $10.65 on heightened tensions following an attack on a Saudi Arabian oil field by Iran. NOTE: The strike on the oil field has disrupted about half of Saudi Arabia's oil production equivalent to 5% of the daily global oil supply.
• Wins Finance Holdings Inc. (NASDAQ:WINS) gained 40.8% to $24.50.
• Centennial Resource Development, Inc. (NASDAQ:CDEV) rose 28.3% to $5.66. SunTrust Robinson Humphrey upgraded Centennial Resource Dev from Hold to Buy and raised the price target from $5 to $8.
• Extraction Oil & Gas, Inc. (NASDAQ:XOG) rose 27% to $4.10 on heightened tensions following an attack on a Saudi Arabian oil field by Iran.
• W&T Offshore, Inc. (NYSE:WTI) rose 23.1% to $5.71.
• California Resources Corporation (NYSE:CRC) shares rose 22.3% to $14.45 on heightened tensions following an attack on a Saudi Arabian oil field by Iran.
• Oasis Petroleum Inc. (NYSE:OAS) gained 21.8% to $4.53.
• Valaris plc (NYSE:VAL) jumped 20.3% to $7.64.
• Unit Corporation (NYSE:UNT) shares rose 19.6% to $3.97.
• QEP Resources, Inc. (NYSE:QEP) shares gained 18.3% to $4.8250.
• Patterson-UTI Energy, Inc. (NASDAQ:PTEN) shares surged 17% to $10.66.
• Continental Resources, Inc. (NYSE:CLR) rose 15% to $36.95.
• Talos Energy Inc. (NYSE:TALO) gained 14.8% to $25.51.
• Novavax, Inc. (NASDAQ:NVAX) shares climbed 14.2% to $7.22.
• SM Energy Company (NYSE:SM) gained 14% to $11.00.
• Murphy Oil Corporation (NYSE:MUR) jumped 13.9% to $23.47.
• Synthesis Energy Systems, Inc. (NASDAQ:SES) surged 13.8% to $2.55.
• RPC, Inc. (NYSE:RES) gained 13.5% to $6.43.
• U.S. Silica Holdings, Inc. (NYSE:SLCA) jumped 13.3% to $12.34.
• Nabors Industries Ltd. (NYSE:NBR) rose 13.1% to $2.60.
• FTS International, Inc. (NYSE:FTSI) gained 12.9% to $3.41.
• Matador Resources Company (NYSE:MTDR) shares rose 12.7% to $18.61.
• Laredo Petroleum, Inc. (NYSE:LPI) shares climbed 12.4% to $3.00.
• Montage Resources Corporation (NYSE:MR) gained 12.4% to $4.62.
• Encana Corporation (NYSE:ECA) surged 12.2% to $5.33.
• Northern Oil and Gas, Inc. (NYSE:NOG) rose 11.9% to $2.27.
• Chesapeake Energy Corporation (NYSE:CHK) rose 11.8% to $1.99.
• Cenovus Energy Inc. (NYSE:CVE) climbed 11.4% to $10.42.
• Keane Group, Inc. (NYSE:FRAC) shares rose 11.1% to $6.97.
• Hi-Crush Inc. (NYSE:HCR) shares rose 10.6% to $2.3002.
• Apache Corporation (NYSE:APA) gained 9.1% to $26.56.
• Southwestern Energy Company (NYSE:SWN) rose 6.3% to $2.37.

Find out what's going on in today's market and bring any questions you have to Benzinga's PreMarket Prep.

Check out these big penny stock gainers and losers

Losers

• Onconova Therapeutics, Inc. (NASDAQ:ONTX) shares dipped 16.4% to $2.09. Onconova Therapeutics announced presentation on Rigosertib at the RAS-Targeted Drug Discovery Summit.
• Coda Octopus Group, Inc. (NASDAQ:CODA) shares tumbled 14.3% to $9.27 after the company reported downbeat Q3 results.
• Endurance International Group Holdings, Inc. (NASDAQ:EIGI) fell 12.7% to $4.9650 after Constant Contact, an Endurance International, announced plans to expand its email marketing platform.
• IRIDEX Corporation (NASDAQ:IRIX) dropped 11.5% to $2.01.
• New Relic, Inc. (NYSE:NEWR) fell 10.4% to $52.37 after the company lowered its 2020 sales guidance and announced changes in management.
• PBF Energy Inc. (NYSE:PBF) dropped 10.1% to $23.01.
• CHF Solutions, Inc. (NASDAQ:CHFS) shares declined 9.2% to $2.37.
• Blucora, Inc. (NASDAQ:BCOR) dipped 9.1% to $22.95.
• Francesca's Holdings Corporation (NASDAQ:FRAN) shares fell 8.6% to $16.58 after gaining 28.47% on Friday.
• NETGEAR, Inc. (NASDAQ:NTGR) tumbled 8.4% to $32.06.
• Lumber Liquidators Holdings, Inc. (NYSE:LL) dropped 7.76% to $9.02.
• Mallinckrodt plc (NYSE:MNK) shares fell 7.2% to $3.0622 after rising 10.37% on Friday.
• Construction Partners, Inc. (NASDAQ:ROAD) shares fell 5% to $14.95 after reporting a 5 million share common stock offering.