Today's Pre-Market Movers and Top Ratings | MU, ARMK, ACN, KMX, and More

$Micron Technology (MU.US)$ shares surged 16% after the chipmaker released current-quarter guidance that significantly exceeded analysts' expectations, driven by soaring demand for its memory chips used in artificial intelligence applications.

$Aramark (ARMK.US)$ shares climbed 5.5% after a Bloomberg report indicated that French competitor Sodexo (EPA:EXHO) is contemplating a takeover of the food catering company.

$Southwest Airlines (LUV.US)$ shares increased by 4.7% after the airline raised its revenue-per-capacity guidance for the current quarter and unveiled a new $2.5 billion stock repurchase program.

$Accenture (ACN.US)$ shares climbed 4.3% after the professional services firm surpassed quarterly earnings and revenue expectations, despite projecting annual revenue below Wall Street estimates.

$CarMax (KMX.US)$ shares dropped 7% as strong second-quarter sales failed to counteract the challenges facing its car-loan business.

$GE HealthCare Technologies (GEHC.US)$ shares declined by 1.6% after UBS downgraded the medical technology company from "neutral" to "sell," citing concerns that its valuation is difficult to justify in light of its lower growth outlook.

$Concentrix (CNXC.US)$ shares dropped 11% following the release of disappointing quarterly earnings and guidance from the business process outsourcing company.