How positive were push notifications about each of the main parties?

Summation of all stories, with each positive being ranked as 1 and each negative as -1

Labour

Conservative

Liberal Democrat

-20

-10

-40

-30

0

10

Telegraph

Mail

FT

Guardian

Sun

Mirror

BBC News

Sky News

Express

Labour

Conservative

Liberal Democrat

20

10

0

-10

-20

-30

-40

Telegraph

Mail

FT

Guardian

Sun

Mirror

BBC News

Sky News

Express