The London market made strong gains today but shares in British Airways plummeted after an investigation was launched in the UK and US into alleged cartel activity.

The FTSE 100 Index ended a torrid week in negative territory today as continued uncertainty swept through the Square Mile.

Minerva – the property company currently involved in the building of the tallest structure in the City of London – saw its share price rocket 28% today after confirming it had received a takeover approach.