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* The Day Ahead newsletter: tmsnrt.rs/2ggOmBi
* The Morning News Call newsletter: tmsnrt.rs/2fwPLTh Wall Street was set to open lower on Wednesday after President Donald Trump threatened to "substantially" raise tariffs if China did not strike a trade deal with the United States and on escalating tensions in Hong Kong.
At 9:00 ET, Dow e-minis were down 0.30% at 27,580. S&P 500 e-minis had fallen 0.27% to 3,083.5, while Nasdaq 100 e-minis were down 0.29% at 8,250.75. The top three NYSE percentage gainers premarket: ** Mogu Inc, up 21.7% ** Chesapeake Energy Corp, up 19.4% ** Line Corp, up 10.0% The top three NYSE percentage losers premarket: ** Vipshop Holdings Ltd, down 7.4% ** Diamond S Shipping Inc, down 7.3% ** First Trust Specialty Finance, down 6.4% The top three Nasdaq percentage gainers premarket: ** Nortech Systems Inc, up 121.8% ** ChaSerg Technology, up 34.5% ** VirTra Inc, up 23.4% The top three Nasdaq percentage losers premarket: ** Nuvectra Corp, down 74.8% ** Applied Dna Sciences Inc, down 41.1% ** Melinta Therapeutics Inc, down 35% ** DataDog: up 14.0% premarket BUZZ-Jumps on upbeat Q3 results, forecast ** Luckin Coffee Inc: up 13.6% premarket BUZZ-Rises on better-than-expected results driven by fresh brews Starbucks China rival Luckin forecasts upbeat fourth-quarter revenue ** TowerJazz: down 7.8% premarket TowerJazz shares fall after revenue outlook disappoints ** SmileDirectClub: down 7.6% premarket BUZZ-Shares drop on wider loss estimates SmileDirectClub sees more losses for the year; shares slump ** Tech Data: up 3.7% premarket Buyout firm Apollo Global to take Tech Data private in $5.4 bln deal ** Alibaba Group: down 0.8% premarket BUZZ-Slips on planned launch of $13.4 bln HK share sale ** Chesapeake Energy Corp: up 19.4% premarket BUZZ-Rises on deal talks with Comstock Resources EXCLUSIVE-Comstock in talks to buy Chesapeake’s Haynesville assets - sources ** Nuvectra Corp: down 76.3% premarket BUZZ-Set for record low after filing for Chapter 11 bankruptcy ** Canada Goose Holdings Inc: up 6.4% premarket BUZZ-Rises on better-than-expected Q2 earnings ** Qorvo Inc: down 1.6% premarket BUZZ-Slips as Canaccord moves to sidelines on valuation concerns ** Tilray Inc: down 1.9% premarket BUZZ-Weed oversupply to keep Tilray under pressure ** Mosaic Co: down 2.5% premarket BUZZ-JPM downgrades Mosaic on weak outlook for phosphate, potash prices ** Cardlytics Inc: up 19.8% premarket BUZZ-Set to open at record high after Q3 sales beat estimates ** Stratasys Ltd: down 5.7% premarket BUZZ-3D printer maker falls after 2nd straight revenue miss, forecast cut (Compiled by Bharath Manjesh in Bengaluru)