Micron rose 4.40% while Robinhood fell 8.42% in an October 28 premarket snapshot from the BIT stock platform cited by BlockBeats. Optical communications, cloud-infrastructure and semiconductor shares generally advanced, while crypto-linked shares were mixed.
Index futures diverge
S&P 500 futures were up 0.11% and Nasdaq 100 futures gained 0.54%, while Dow futures fell 0.21%. Among other reported moves, Nvidia gained 0.77%, Coinbase lost 1.58% and Seagate fell 3.23%.
The figures reflect the platform snapshot reported at 08:18 UTC, rather than closing prices or a live market feed.
Sources: BlockBeats English flash and the original Chinese report, published 2026-10-28 at 08:18 UTC.