AP News in Brief 04-03-18

FILE - In this Jan. 5, 2016, file photo, Rep. Elizabeth Esty, D-Conn., left, attends a gathering at the East Room of the White House in Washington. Esty announced Monday, April 2, 2018, she will not seek re-election this year amid calls for her resignation over her handling of the firing of a former chief of staff accused of harassment, threats and violence against female staffers in her congressional office. (AP Photo/Jacquelyn Martin, File)
FILE - In this Tuesday, Dec. 10, 2013 file photo Winnie Madikizela-Mandela, Nelson Mandela's former wife, listens to speakers during the memorial service for former South African president Nelson Mandela at the FNB Stadium in Soweto near Johannesburg. South African state broadcaster SABC said Monday April 2, 2018, that anti-apartheid activist Winnie Madikizela-Mandela has died. (AP Photo/Matt Dunham, File)

Tech woes, worsening tensions with China sink U.S. stocks