Carl Icahn

Order book for 10-part $13bn offering hits $78bn as demand surges

Switch comes on back of concerted efforts from Apple to reduce reserves

Hotel and casino operator pushed towards sale by activist investor Carl Icahn

Novelist became world’s fourth richest woman after divorce from Jeff Bezos

Research shows investors should also be wary of firms headed by egotistical chiefs

Car-booking company has 18.6m active users, and doubled its revenues to €1.89bn

Cevian reveals stake as AllianceBernstein analysts say materials giant has ‘lost its way’

Dell plans to buy its tracking stock DVMT arguing that the move benefits shareholders

Activist investor looks to block a proposed plan by the computer maker to return to the public market without an IPO

Dell is trying to convince investors to back a deal that would take the company public

New valuation would be ten times what Dell’s holding was worth five years ago

Control of company now in hands of activist investors

The rental-car company spends heavily on the SUVs that drivers demand

Photocopier firm reported to be near deal that would cede control to Fujifilm

Meanwhile, speculation over Bitcoin rumbles on amid 1,400% surge in space of a year

Many memorable one-liners have emerged from Wall Street, offering intriguing insights into the approaches of both long-term investors and short-term traders