U.S. index futures were little changed, after equities fell to a three-week low, as investors awaited clues on the path of interest-rate increases before a speech by Federal Reserve Chair Janet Yellen on Friday.
EpiPens used for training school staff members in Virginia. Mylan is under fire for raising the price of the allergy treatment device.
A trader works on the floor of the New York Stock Exchange on August 24, 2015 in New York City. Wednesday is the one-year anniversary of the Aug. 24 "flash crash," in which markets fell precipitously in early trading.
HP Inc., the hardware business of the former Hewlett-Packard, reported higher-than-expected quarterly revenue and profit as demand recovered for its notebooks.
Could a central bank maintain public faith if it announces a goal, misses it for more than four years, then say it wants to change it?