Facebook's shares dropped to an all-time low of $25.75 on Tuesday, more than 30 percent below their offering price. The No. 1 social network has shed about $32 billion of its value since its haphazard May 18 IPO.
The world's economy kept up a largely steady but modest pace of growth in May as service sector businesses perked up, a survey showed on Tuesday, offsetting weakness among global manufacturers.