While you were sleeping: Amazon shakes up US health care

While you were sleeping: Amazon shakes up US health care
Margreet Dietz
By Margreet Dietz Jan. 31 (BusinessDesk) - Wall Street dropped, as did US Treasuries, as investors reassessed valuations, while plans by Amazon, Berkshire Hathaway and JPMorgan Chase to form a new health-care company weighed on the industry’s shares.  In 1.34pm trading in New York, the Dow Jones Industrial Average dropped 1.5 percent, while the Nasdaq Composite Index shed 1 percent. In 1.19pm trading, the Standard & Poor’s 500 Index slid 1.1 percent.  “It clearly is a worldwide reaction as investors have maybe started to take notice of...