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

ServiceNow (NOW) rose by 7.5% in premarket activity, swinging from a 6.5% fall at Wednesday's close. ServiceNow reported higher Q2 adjusted earnings and revenue.

Micron Technology (MU) was 3% higher pre-bell, reversing a 1.2% decline at Wednesday's close.

SpaceX (SPCX) was up 1% hours before market open, swinging from a 6.7% decline at Wednesday's close.

Tesla (TSLA) fell by 6% in pre-bell activity, after closing Wednesday with a 1.3% decline. Tesla reported a decline in Q2 adjusted earnings.

Alphabet (GOOG) declined by 3.8% premarket, after a 1.2% fall from the previous session.

Microsoft (MSFT) was down 1.1% pre-bell, following a 1.9% decline from Wednesday's session.

Nvidia (NVDA) was 0.7% lower in premarket hours, swinging from a 2.3% increase at Wednesday's close.

International Business Machines (IBM) declined by 0.5% pre-bell, after a 2.3% fall from the previous session.