Microsoft Spent $9.4 Billion on a Sinking Ship
Looking at today’s chart, it doesn’t come as much of a surprise that buying Nokia turned out to be flop. The former market leader was already in steep decline, when Microsoft decided to shell out $9.4 billion for its handset business.
Going forward, Microsoft plans to trim down its bloated smartphone line-up and focus its efforts on business customers, the low-cost segment and high-end devices.

Description
This chart shows Nokia's market share in the global smartphone market before and after its acquisition by Microsoft.