Stock Futures Pinched by Oil, Iran Escalation

By Patrick Martin | August 20, 2026, 9:04 AM

Stock futures are swimming in red ink this morning, as oil prices bubble over and bond yields resume their climb. The 10-year Treasury yield has rebounded from yesterday's decline, last seen at 4.7%. Front-month crude is 3.3% higher at last check, after President Donald Trump declared in a Truth Social post the U.S. will undergo the “most crushing economic operation ever taken against any country” against Iran, calling it “ economic Warfare and Isolation on an unprecedented scale.”

Futures on the Dow Jones Industrial Average (DJI) and Nasdaq-100 (NDX) futures are down triple digits this morning, the former also being dinged by a lackluster earnings report from Walmart (WMT).  

Continue reading for more on today's market, including:

  • The alternative energy stock almanac you didn't know you needed.
  • How gold stocks are reacting to the bond yield rollercoaster.
  • Plus, more on Walmart; WOLF cools off; and investors take Moderna profits.

OV Futures Chart Aug 20

5 Things You Need to Know Today

  1. The Cboe Option Exchange saw roughly 2.9 million call contracts and 1.5 million put contracts traded on Wednesday. The single-session equity put/call ratio fell to 0.52, while the 21-day moving average remained at 0.59. 
  2. Walmart Inc (NASDAQ:WMT) stock is 5% lower ahead of the bell, after a lower-than-expected full-year guidance overshadowed a top-line beat for the second quarter. The retailer also reported its slowest sales growth since 2020. WMT is set to breach its year-to-date breakeven level today and will be testing a floor at $110.
  3. Wolfspeed Inc (NYSE:WOLF) stock is 10.7% lower before the open, after the semiconductor name reported a revenue miss that overshadowed a slimmer-than-expected second quarter miss. TD Cowen reinstated coverage with a "hold" rating and $25 price target. Wolfspeed stock is up 67% in 2026 heading into today.
  4. The shares of Moderna Inc (NASDAQ:MRNA) are 10% lower in electronic trading. The prolific drugmaker is cooling off from its 177% explosion yesterday, as investors take profits from the cancer vaccine breakthrough. MRNA sports a 491% gain in 2026.
  5. Dow names due for earnings this week. 

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Asian Stocks Soar, Shrug Off Yield Pressure

Asian markets moved higher on Thursday, after the U.S. Treasury Department moved to ease bond-market fears and stabilize long-term yields. Japan's Nikkei rose 1.4%, after exports jumped 23.2% year over year in July, marking their fastest growth since October 2022 amid strong semiconductor shipments. South Korea's Kospi surged 5.9%, while Hong Kong's Hang Seng added 0.8%. China's Shanghai Composite gained 0.2%, after the People's Bank of China left its key lending rates unchanged for a 15th-straight month.

European markets are lower at midday as oil prices rise. London's FTSE 100 is down 0.5% at last glance, while France's CAC 40 and Germany's DAX are 0.4% and 0.6% lower, respectively. Germany's borrowing costs climbed to a 15-year high amid increased defense spending needs and a broader rise in global bond yields.

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