President Donald Trump's threat to shutdown the government sent the markets down to a lower open with the Dow dropping 49 points to 21,850. Nasdaq fell 34 points to 6,263.

On the upside

American Eagle Outfitters (NYSE: AEO) reported better than expected earnings and revenue for the second quarter.

Fiat Chrysler (NYSE: FCAU) is exploring the option of spinning off its Maserati and Alfa Romeo brands and its components and parts operations.

Bargain hunters lifted shares of Momo (Nasdaq: MOMO).

On the downside

Cree (Nasdaq: CREE) reported a wider than expected loss for the fourth quarter and forecast first quarter earnings below estimates.

Second quarter earnings and revenue for Lowe's (NYSE: LOW) fell short of analyst expectations prompting the home improvement retailer to warn of slower growth in profit margins.

ZTO Express (NYSE: ZTO) reported second quarter earnings that missed expectations.

In the broad market, declining issues outpaced advancers by a margin of more than 4 to 3 on the NYSE and by nearly 3 to 2 on Nasdaq. The broader S&P 500 fell 8 points to 2,444. Bitcoin soared $106 to $4,189.