UP AFTER EARNINGS: AutoZone (AZO), up 5%... RH (RH), up 17%. ALSO HIGHER: Marinus Pharmaceuticals (MRNS), up 3% after announcing Phase 2 study data shows long term effectiveness of Ganaxolone... Clovis Oncology (CLVS), up 8% after the European Patent Office upheld its Rubraca patent claims. DOWN AFTER EARNINGS: Dollar General (DG), down 5%... Toll Brothers (TOL), down 5%. ALSO LOWER: Apple (AAPL), down 2% after HSBC analyst Erwan Rambourg last night downgraded his rating on its shares to Hold from Buy and cut his price target to $200 from $205. It is "too late to sell" Apple shares following the selloff in November, but it is also "too early to buy," Rambourg tells investors in a research note. The analyst believes growth in the company's core iPhone is set to "slow dramatically."... Kornit (KRNT), down 9% after a 3.13M share spot secondary offering priced at $20.50... Cirrus (CRUS), down 6.5% after cutting its Q3 revenue forecast.