Here are the stocks making headlines in premarket trading on Thursday: Micron Technology — The chipmaker rose 2% after its fiscal third-quarter financial results topped expectations . Micron's adjusted earnings were $1.91 per share, versus the $1.60 expected from analysts polled by LSEG. Revenue was $9.3 billion, above the $8.87 billion consensus estimate. Kratos Defense and Security Solutions — The military tech stock fell nearly 7% after Kratos said it would sell $500 million of stock. The company said the money raised could be used for capital spending, among other uses. McCormick — The food spices stock rose more than 4% after adjusted earnings for the second quarter beat expectations. McCormick earned 69 cents per share, excluding items, while analysts were looking for 66 cents, according to LSEG. MillerKnoll — The furniture maker surged 9.5%. MillerKnoll said net sales for the fiscal fourth quarter jumped more than 8% year over year to $961.8 million. However, adjusted earnings per share came in lower than they did a year ago at 60 cents. Penn Entertainment — The gaming stock rose 2.5% after being upgraded to market outperform from market perform at Citizens. The investment firm said Penn Entertainment is nearing an "inflection point" after the stock has been a long-term underperformer. Jefferies Financial — The bank stock dipped 2.5% after Jefferies reported second-quarter earnings of 40 cents per share, down from 64 cents per share a year ago. General Mills — The packaged food stock rose less than 1% after being upgraded to outperform from sector perform at RBC Capital Markets. The investment firm said General Mills' conservative earnings guidance can help the stock find its footing. — CNBC's Michelle Fox and Alex Harring contributed to this report.