North Korea's threat to test a nuclear missile rattled investors sending the markets down to a lower open with the Dow losing 25 points to 22,334. Nasdaq fell 21 points to 6,401.
On the upside
Juno Therapeutics (Nasdaq: JUNO) priced its public offering of 6.1 million common shares at the discounted price of $41.00 per share.
CarMax (NYSE: KMX) reported higher second quarter earnings and revenue that topped analyst estimates.
Sprint (NYSE: S) and T-Mobile (Nasdaq: TMUS) are close to finalizing a deal to merge.
On the downside
Leerink Partners downgraded Exelixis (Nasdaq: EXEL) from an Outperform rating to a Market Perform rating and slashed its price target from $34.00 to $28.00.
Concerns about weakness in the steel industry weighed down shares of U.S. Steel (NYSE: X).
Analysts expect BlackBerry's (Nasdaq: BBRY) revenue to fall in 2018.
In the broad market, advancing issues outpaced advancers by a margin of nearly 2 to 1 on the NYSE and by nearly 9 to 8 on Nasdaq. The broader S&P 500 slipped 3 points to 2,497. Bitcoin tumbled $84 to $3,570.