GameStop ($GME@US) jumped 44 percent in premarket trading on Wednesday after the company posted a quarterly profit on Tuesday. Luminar Technologies ($LAZR@US) fell nearly 9.2 percent in premarket trading after Goldman Sachs ($GS@US) downgraded the technology company to sell. Nike ($NKE@US) fell 1.1 percent in premarket trading after the athletic apparel company posted losses in its China sales. Petco Health and Wellness ($WOOF@US) fell by 7.8 percent in premarket trading after reporting fourth-quarter earnings that fell short of Wall Street’s expectations.