The following list represents the most viral tracks on Spotify, based on the number of people who shared it divided by the number who listened to it, from Monday, May 13, to Sunday, May 19, via Facebook, Tumblr, Twitter and Spotify.

By Dhanya Skariachan (Reuters) - Best Buy Co Inc reported weak quarterly sales on Tuesday and warned that a slew of investments to entice shoppers could squeeze profits in the near term. The news overshadowed its better-than-expected first-quarter profit and sent shares of the world's largest consumer electronics chain down 4 percent in premarket trading. Net earnings from continuing operations fell to $97 million, or 29 cents a share, from $169 million, or 49 cents a share a year earlier. ...

LONDON (Reuters) - Prime Minister David Cameron is committed to governing as part of a two-party coalition until the next national election in 2015, his spokesman said on Tuesday, days after Cameron raised the prospect of the alliance breaking apart. Cameron has ruled with the Liberal Democrats, his junior coalition partner, since 2010, but the two have taken increasingly different positions on issues such as Britain's role in Europe and Cameron on Sunday for the first time raised the possibility that the coalition might not last until 2015. ...