The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly higher hours before Wednesday's opening bell.

Micron Technology (MU) advanced by 2% in premarket hours, after a 5% increase from the previous session.

enCore Energy (EU) rose by 1.7% pre-bell, following a 7.1% increase from Tuesday's session.

Microsoft (MSFT) was up 1.4% hours before market open, following a 3.1% increase at Tuesday's close.

Nvidia (NVDA) was 0.6% higher premarket, after a 5.6% rise from Tuesday's session.

Meta Platforms (META) was up 0.6% pre-bell, after a 6.7% rise from Tuesday's session.

JPMorgan Chase (JPM) rose by 0.6% in pre-bell hours, after a 3.7% increase from the previous session.

Nike (NKE) fell more than 10% in pre-bell activity, reversing a 3.1% rise from the previous session. Nike reported a decline in fiscal Q3 earnings.

Antero Midstream (AM) was slightly lower premarket, after closing Tuesday with a 1.4% fall.