Stock market news: September 16, 2019

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U.S. stocks tumbled and oil prices surged after attacks on Saudi Arabian oil facilities over the weekend led to massive supply disruptions out of one of the world’s largest production centers. The Dow was on track to break an eight-session winning streak.

Futures for Brent crude (BZ=F) – which serves as the international benchmark for oil prices – surged the most on record during intraday trading Monday, after the attacks took a hit to half of the kingdom’s oil output. Brent crude prices jumped by about $12 just after trading opened Monday, representing a nearly 20% price spike, before paring gains by the end of regular trading.

Here were the main moves in the market by the closing bell on the New York Stock Exchange:

  • S&P 500 (^GSPC) -0.31%, or 9.43 points

  • Dow (^DJI): -0.52%, or 142.7 points

  • Nasdaq (^IXIC): -0.28%, or 23.17 points

  • U.S. crude oil prices (CL=F): +12.84% to $61.89 per barrel

  • 10-year Treasury yield (^TNX): -5.1 bps to 1.848%

  • Gold (GC=F): +0.52% to $1,507.3 per ounce

Drone strikes descended on two Saudi Arabian oil facilities on Saturday, knocking out 5.7 million barrels per day of production, or about 5% of global output. This was the single worst disruption in oil markets ever, exceeding both the impact from the Kuwaiti and Iraqi petroleum supply loss in 1990 during the Gulf War, as well as the oil crisis spurred by an Iranian output loss in the wake of the 1979 Islamic Revolution.

Saturday’s attacks led President Donald Trump on Sunday to authorize a release of crude from the U.S. Strategic Petroleum Reserve (SPR), in a move to offset the expected hit to supply. The SPR contains over 700 million barrels, and was last tapped in 2011 due to supply disruptions in Libya.

Houthi rebels in Yemen claimed responsibility for the attacks on Saturday. The military spokesperson for the group said 10 drones targeted Saudi Aramco oil facilities in Abqaiq and Khurais.

However, Trump administration officials have since pinned the strikes on Iran, which sponsors the Houthi rebels. Secretary of State Mike Pompeo said in a Twitter post that “Iran has now launched an unprecedented attack on the world’s energy supply,” and that “There is no evidence the attacks came from Yemen.” Iran has denied it was responsible for the raids.

Trump followed up with a Twitter post on Sunday saying, “There is reason to believe that we know the culprit, are locked and loaded depending on verification, but are waiting to hear from the Kingdom as to who they believe was the cause of this attack, and under what terms we would proceed!”

Traders work on the floor at the New York Stock Exchange (NYSE) in New York, U.S., September 9, 2019. REUTERS/Brendan McDermid
Traders work on the floor at the New York Stock Exchange (NYSE) in New York, U.S. (REUTERS/Brendan McDermid)

Haven assets rallied Monday as investors weighed the prospects of a wider conflict, with the U.S. having already blamed Iran as the culprit behind a series of attacks on oil tankers in the Strait of Hormuz – a major oil transportation hub – earlier this year. Gold, the Japanese yen and Swiss franc each rallied.