Taking stock: Here's why Dale Steyn & Jean-Laurent Bonnafé's stock went up this week

A round-up of those whose worth went up or down today: Dale Steyn (Up), Jean-Laurent Bonnafé (Up) and Muhtar Kent (Down).

Dale Steyn (Up)

The South Africa fast bowler becomes the joint-second quickest man to take 400 wickets in Test cricket, alongside New Zealand legend Sir Richard Hadlee.

Jean-Laurent Bonnafé; CEO, BNP Paribas (Up)

The French bank acquires the broking fi rm Sharekhan for Rs 2,240 crore.

Muhtar Kent; CEO, Coca Cola (Down)

Coca-Cola took a rap after pharmacist Niraj Naik's post on the adverse after-effects to the body within an hour of drinking Coca-Cola went viral.