Spotify is raising the prices of its premium plans in the United States, saying it aims to invest in its product features. Beginning immediately for new subscribers and on the July billing date of existing subscribers, the new prices for the plans are $11.99 for Individual,$16.99 for Duo, $19.99 for Family and$5.99 for Student, the streaming service said in a Monday (June 3) blog post. The first three prices are up from $10.99,$14.99 and $16.99 respectively. The price of the Student plan is unchanged, CN ...