Technology shares with lofty valuations, including those of midcap data analytics company Tableau Software Inc and Internet giant Facebook Inc, extended their losses on Monday following a gutting selloff in the previous session.
Shares of cloud services companies such as Splunk Inc and Salesforce.com Inc had also declined sharply on Friday. They fell again on Monday, dragging down the Nasdaq Composite index 2.4 percent to its lowest in nearly 1-1/2 years.