Ending a run of five straight weeks in which leadership of the singles chart has changed hands, Luis Fonsi's Despacito (feat. Daddy Yankee & Justin Bieber) massively increases its lead in an unchanged Top 3. Despacito's sales are up 31.71% week-on-week at 94,730 (including 52,471 from streams), while DJ Khaled's I'm The One (feat. Justin Bieber, Quavo, Chance The Rapper & Lil Wayne) suffers a 5.90% diminution in sales, to 58,545, as it holds at No.2, and Clean Bandit's Symphony (feat. ...