The markets opened lower with the Dow losing 37 points to 25,348 over a report that China may stop buying U.S. bonds. Nasdaq fell 34 points to 7129.
On the upside
AmTrust Financial Services (Nasdaq: AFSI) appointed a special committee to consider a proposal from Stone Point Capital, chief executive George Karfunkel and Leah Karfunkel.
Shares of Global Blood Therapeutics (Nasdaq: GBT) extended its gains.
Citi upgraded Cloudera (NYSE: CLDR) from a Neutral rating to a Buy rating and lifted its price target from $18.00 to $24.00.
On the downside
NetScout Systems (Nasdaq: NTCT) cut its full year forecast.
Signet Jewelers (NYSE: SIG) reported a drop in holiday sales.
Domino's Pizza (NYSE: DPZ) chief executive Patrick Doyle will depart the company in June.
In the broad market, declining issues outpaced advancers by a margin of more than 7 to 3 on the NYSE and by nearly 2 to 1 on Nasdaq. The broader S&P 500 lost 6 points to 2,745. Bitcoin crashed $698 to $13,720.