U.S. STOCKS ON THE MOVE-Apple, chipmakers, oil stocks, Boeing, Amazon, Conatus

The Day Ahead newsletter:

The Morning News Call newsletter:

U.S. stocks tumbled on Thursday, erasing this year's slim gains in the S&P 500 and the Dow Jones Industrial Average, as the arrest of a top Huawei executive sparked fears of a flare-up in Sino-U.S. tensions, while weak oil prices added more pressure.

At 9:55 a.m. ET, the Dow Jones Industrial Average was down 2.00 percent at 24,526.11. The S&P 500 was down 2.03 percent at 2,645.23 and the Nasdaq Composite was down 1.97 percent at 7,017.274.

The top three S&P 500 percentage gainers:

** Hewlett Packard Enterprise Co, up 2.8 pct

** L Brands Inc, up 2.6 pct

** Edwards Lifesciences Corp, up 2 pct

The top three S&P 500 percentage losers:

** SVB Financial Group, down 8.7 pct

** TechnipFMC plc, down 7.2 pct

** Cimarex Energy Co, down 5.9 pct

The top three NYSE percentage gainers:

** ProShares Ultra VIX Short-Term Futures ETF, up 14.8 pct

** Velocityshares 3x Inverse Natural Gas, up 11.4 pct

** Direxion Daily S&P Oil & Gas Exploration and Production, up 11.2 pct

The top three NYSE percentage losers:

** NeoPhotonics Cor, down 24.2 pct

** Tronox Limited, down 22.1 pct

** Sanchez Midstream Partners LP, down 21.5 pct

The top three Nasdaq percentage gainers:

** Uxin Limited, up 39.9 pct

** KLX Energy Services Holdings Inc, up 20.1 pct

** VelocityShares Daily 2x VIX Short-Term ETN, up 19.3 pct

The top three Nasdaq percentage losers:

** Conatus Pharmaceuticals Inc, down 48.3 pct

** Children's Place Inc, down 17.1 pct

** Momo Inc, down 16.6 pct

** Apple Inc: down 3.2 pct

Apple: Rosenblatt cuts iPhone estimates

** Qualcomm Inc: down 1.6 pct

** Intel Corp: down 1.2 pct

** Advanced Micro Devices Inc: down 0.8 pct

** Micron Technology Inc: down 2.6 pct

** Western Digital Corp: down 1.3 pct

** Nvidia Corp: down 3.1 pct

Chipmakers fall as Huawei exec arrest threatens U.S.-China trade truce

** Exxon Mobil Corp: down 2.3 pct

** Chevron Corp: down 2.3 pct

** Schlumberger N.V.: down 4.2 pct

** Anadarko Petroleum Corp: down 4.1 pct

Oil companies down as OPEC indicates lower-than-expected output cuts

** Boeing Co : down 4.2 pct

** Caterpillar Inc : down 2.6 pct

** 3M Co: down 0.4 pct

** United Technologies Corp: down 1.5 pct

** Deere & Co: down 1.9 pct

** General Electric Co: down 1.3 pct

** Lockheed Martin Corp: down 1.1 pct

Industrial stocks hit by threat to U.S.-China trade truce

** Facebook Inc: down 1.3 pct

Stifel sees distrust among users, downgrades

** Momo Inc: down 17.7 pct

Momo Inc: Down after saying macro environment to remain challenging

** TheStreet Inc : up 30.3 pct

Gains after deal to sell its B2B businesses

** Amazon.com Inc: down 2.6 pct

** NeoPhotonics Corp: down 24.2 pct

Neophotnics plunges, optical firms drop as China'sHuawei exec arrested

** Conatus Pharmaceuticals Inc: down 48.3 pct

Slumps as mid-stage trial fails to meet main goal

** Supernus Pharmaceuticals Inc: down 13.8 pct

Sinks after data from late-stage trials of ADHD drug

** KLX Energy Services Holdings Inc : up 14.4 pct

KLX Energy jumps on strong Q3 report

** Aphria Inc: down 12.6 pct

Stock slide continues as firm continues firefighting

** AbbVie Inc: down 2.7 pct

Dips after co halts cancer drug trial

** Alibaba Group Holding Ltd: down 4.7 pct

** Baidu Inc: down 3.8 pct

** JD.com Inc: down 4.3 pct

** Momo Inc: down 17.7 pct

** Vipshop Holdings Ltd : down 6.1 pct

** NetEase Inc: down 1.2 pct

** Weibo Corp: down 5.1 pct

US-listed Chinese stocks, China ETF hit by fresh trade worries

** Avista Corp: down 14.6 pct

Plunges after regulator rejects co's sale to Canada'sHydro One

** Thor Industries Inc: down 13.2 pct

Thor Industries: Falls on Q1 profit miss

** VBI Vaccines Inc: up 3.9 pct

Jumps on licensing deal to develop Hep-B cure

** Ionis Pharmaceuticals Inc: down 2.6 pct

Rises as Biogen exercises option over rare disease drug

The 11 major S&P 500 sectors:

Communication Services

down 1.52 pct

Consumer Discretionary

down 2.06 pct

Consumer Staples

down 1.09 pct


down 3.04 pct


down 2.88 pct


down 1.71 pct


down 2.08 pct

Information Technology

down 2.28 pct


down 2.54 pct

Real Estate

down 0.91 pct


down 0.79 pct

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of NASDAQ, Inc.