StoneCo is trading 28.4% down at $8.22 in the October 26 pre-market, versus its October 23 close of $11.48; the reason for the decline remains unconfirmed. - Available overnight coverage reports the drop but does not establish its cause; available search results show no confirmed company announcement or other clear catalyst. - Broader-market indicators are mixed and show only modest moves. StoneCo’s next quarterly results are scheduled for November 12.