- Mudrick Capital Acquisition (MUDS) +18%. MUDS announced a merger with Topps.
- Cara Therapeutics (CARA) +13.8%. CARA will be included in the S&P SmallCap 600.
- Golden Nugget Online Gaming (GNOG) +11.6%. GNOG shares were initiated as a "buy" at Jefferies.
- Illumina (ILMN) +8.1%. ILMN's preliminary first-quarter revenue topped estimates.
- Snap (SNAP) +4.1%. SNAP shares were upgraded from "neutral" to "overweight" at Atlantic Equities.
- Ebang International (EBON) -13.5%. Hindenburg Research released a cautious report on the company.
- Paychex (PAYX) -5%. PAYX's third-quarter revenue was weaker than expected.
- Greenbrier (GBX) -4.8%. GBX's second-quarter results disappointed.
- Acadia Pharmaceuticals (ACAD) -2.5%. ACAD shares were downgraded from "buy" to "hold" at Jefferies.