International crude oil prices briefly plunged, while US stock index futures surged.

BlockBeats news, September 22, according to BIT(bit.com) market data, Dow futures turned positive, up 0.07% intraday, S&P 500 index futures up 0.01%; WTI crude oil fell below $91 per barrel, with an intraday drop of 1.5%, reported at $90.96 per barrel.