Today's Pre-Market Stock Movers: MU, KMX, OPEN, MRTX and More

$MillerKnoll (MLKN.US)$ +2.9% (The company reported better-than-expected profit and revenue for its latest quarter. The furniture maker was able to make up for a 13% decline in orders with higher prices.)

$Global Business Travel Group (GBTG.US)$ +1.6% (The American Express spin-off was rated outperform in new coverage at Evercore ISI, which expects the business travel platform to benefit from its leading position in the industry and from a rebound in business travel recovery.)

$TuSimple (TSP.US)$ -3.5% (TuSimple plans to cut 25% of its workforce, a move that affects about 350 of the self-driving truck startup’s workers. Earlier reports had said the company could cut as many as 700 employees as it refocuses on research and development of self-driving trucking technology. )

$Lexicon Pharmaceuticals (LXRX.US)$ -8.4% (The company reported topline results from Phase 2 proof-of-concept study of LX9211 in postherpetic neuralgia. The company said primary endpoint was not met.)

$Under Armour-A (UAA.US)$ -0.67% (The athletic apparel maker named $Marriott International (MAR.US)$ executive Stephanie Linnartz as its new CEO, effective on Feb. 27. Linnartz is currently president of Marriott's international operations and has been with the hotel operator for 25 years.)

$Tyson Foods (TSN.US)$ -1% (Tyson is expected to lose hundreds of employees when it consolidates corporate offices in Arkansas next year, according to people familiar with the matter who spoke to the Wall Street Journal. The beef and poultry producer is closing two offices in Illinois and one in South Dakota.)