Here's everything you need to know before Thursday's opening bell:
China warned the U.S. it was ready to respond to recently announced tariffs with "qualitative and quantitative" measures of its own.
Oil prices fell sharply on reports that OPEC members were close to agreeing to a deal to boost output.
Micron's third quarter sales rose 40% to $7.8 billion.
American Outdoor Brands reported that sales plunged 25% in its fiscal fourth quarter and slumped 33% for the full year.
U.S. stock futures fell.
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