Although many of the options cannot yet be exercised, at Friday's closing share price of $39.125, they have a value greater than $60 million.

The stake is worth £20m valued at yesterday's closing share price of 146p.

The offer provides a 27 percent premium over BlackRock's closing share price Friday.

Based on Lycos's closing share price of $127.25 yesterday, the new company would have a market value of $18 billion.

That transaction is worth about $9.3 million based on Republic's closing share price yesterday of $31.125.

That represents a premium of almost 16 percent to Buffetti's closing share price.

The buyback is worth $352 million a year, based on Monday's closing share price of $58.75.

That is almost 40 percent more than Frontier's closing share price Tuesday of $44.625.

Yesterday's closing share price of $16.05, down $5.90, is just six times expected annual profits, an unusually low number.

Account information is updated daily using the closing share prices of the previous business day.