Newly-listed Royal Mail has entered the FTSE 100 index of the UK's largest companies following a huge move in its share price post-IPO.
Twitter shares have dropped below $40 on Monday for the first time since they were listed listed last week, as investors began to take profits.
Twitter shares have soared 90% from their IPO price on the company's first day of trading, with the stock hitting a peak above $50.
A number of smaller investment trusts have been forced to cancel expansion plans as larger vehicles continue to dominate the market.
Activist hedge fund the Children's Investment Fund (TCI) is the largest private shareholder in newly listed Royal Mail, a regulatory filing has revealed.
Shares in Royal Mail jumped 2.5% to 487p as it officially floated today, following a flurry of trading activity in the stock prior to its listing.
News of the hotly-anticipated Royal Mail IPO was unsurprisingly popular among our readers this week, with ongoing pricing battles in the platform space also catching the eye.