US stocks traded higher with the Dow Jones up around 200 points on Friday. Here are some big stocks posting gains in today’s session.

• Ardelyx, Inc. ARDX rose 28% to $3.70 after the company reported better-than-expected fourth-quarter sales results.
• C3.ai, Inc. AI Shares rose 24.3% to $26.48 after the company reported better-than-expected Q3 results and issued strong guidance.
• Samsara Inc. Internet of Things up 21.7% to $20.55 after the company reported better-than-expected Q4 results and issued strong guidance.
• Velo3D, Inc. VLD up 20.5% to $3.4094 after the company reported better-than-expected adjusted EPS and revenue results for the fourth quarter.
• Lexicon Pharmaceuticals, Inc. LXRX up 19% to $2.5950 after the company released fourth-quarter financial results.
• Gaotu Techedu Inc. HAVE YOU rose 17.5% to $5.16.
• Veritone, Inc. VERI rose 16.7% to $7.42 after the company released fourth-quarter financial results.
• LivePerson, Inc. LPSN Soared 16.2% to $11.19 after Craig-Hallum upgraded the stock from hold to buy and raised its price target to $15 from $13.
• DermTech, Inc. DMTK up 15.3% to $4.38 after strong quarterly results.
• Reading International, Inc. RDIB rose 13.6% to $22.75.
• Genelux Corporation GNLX rose 13.6% to $18.60.
• Xponential Fitness, Inc. XPOF rose 12.9% to $28.57 after the company reported better-than-expected Q4 EPS and sales results.
• Compass, Inc. COMP rose 12.6% to $3.40. Compass recently reported worse than expected Q4 results and issued weak Q1 guidance.
• Zai Lab Limited ZLAB rose 12.1% to $41.42.
• TuSimple Holdings Inc. TSP rose 12.1% to $2.0291.
• HPX Corp. HPX Shares climbed 12% to $19.50. The company’s shareholders recently approved the proposed business combination with Emergencia Participacoes.
• MiMedx Group, Inc. MDXG rose 11% to $4.34.
• DesktopMetal, Inc. DM rose 10.3% to $2.2509. Desktop Metal reported better than expected fourth quarter sales results and provided guidance.
• PagSeguro Digital Ltd. pages rose 9.9% to $9.31 after a 35 percent surge in the…