The most-talked-about stocks in the Reddit subforum Wallstreetbets were mixed hours before Thursday's opening bell.

Lumentum Holdings (LITE) was up 5.2% in premarket activity, following a 5.5% rise from the previous session. Marvell Technology (MRVL) is in advanced talks to acquire Lumentum, Bloomberg reported, citing people familiar with the matter.

Microsoft (MSFT) advanced by 2.7% pre-bell, after a 0.1% decline from Wednesday's session. Microsoft reported higher fiscal Q1 adjusted earnings and revenue.

Meta Platforms (META) was 1.2% higher hours before market open, swinging from a 1.1% decline at Wednesday's close.

ServiceNow (NOW) declined by 18.5% in premarket hours, after a 3% fall at Wednesday's close. The company's Q3 non-GAAP earnings missed analysts' estimates.

Alphabet (GOOG, GOOGL) was down 10.3% premarket, reversing a 1.6% increase from the previous session. The company posted a decline in Q3 earnings, while revenue missed analysts' expectations.

Micron Technology (MU) fell 3% in pre-bell activity, swinging from a 5.9% rise at Wednesday's close.

Reddit (RDDT) declined by 2.2% pre-bell, following a 1.3% fall from Wednesday's session.

Oracle (ORCL) was 1.1% lower premarket, after a 10.7% rise from the previous session.