OT(Bloomberg) -- U.S. stock-index futures erased earlier gains...

OT

(Bloomberg) -- U.S. stock-index futures erased earlier gains after a gauge for manufacturing output in China fell into contraction territory for the first time since May 2017, fueling global growth concerns.

March contracts on the S&P 500 Index fell 0.6 percent as of 10:37 a.m. in Hong Kong, after a closely watched gauge of Chinese manufacturing had its lowest reading since May 2017. Nasdaq 100 Index futures and those on the Dow Jones Industrial Average slid 0.6 percent each.

Considering low volume today, the tendency to dump at the end, and already declining ASX... I'm just wondering about severity of today's possible dump...