Morrisons had previously warned back in a first quarter trading statement that political and economic uncertainty continued to impact consumer confidence. With the Brexit deadline fast approaching, the question remains – will the UK be able to secure a deal before its departure from the European Union? Data by Kantar earlier in July revealed the first overall growth decline in the supermarket sector since June 2016. Kantar did say, however, that this was not unexpected given the record sales experienced during the summer heatwave last year. Therefore, Morrisons is not alone in feeling the effects from last year's stronger comparatives as all major grocers faced a challenging period. Shares in WM Morrison Supermarkets plc (LON:MRW) were trading at +4.14% as of 11:37 BST Thursday.