The FTSE 100 has passed the 6,500 mark, ending the day up 53.8 points, or 0.83%, to 6,516.2, and pushing the index to a new six-and-a-half year high.
Hargreaves Lansdown will be valued between £650m and £700m, IFAonline has learnt.
The FTSE 100 is up 30.4 points, or 0.47%, to 6,492.8 in early trading, as the banking sector pushes ahead on bid speculation.
The FTSE 100 has ended the session up 46 points, or 0.72%, to 6,462.4, as oil and drug stocks pushed the index higher.
The resolution of the Iran hostage crisis helped boost the US stock market and may have helped avoid a recession, according to BlackRock Merrill Lynch.
The FTSE 100 has ended the session up 3.1 points, or 0.05%, to 6,416.4, as positive trading news offset losses by property companies.
The FTSE 100 has ended the session down 4.5 points, or 0.07%, to 6,413.3, as losses on Wall Street pulled the index back from near six-year highs.
The FTSE 100 index has ended the day up 20.5 points, or 0.32%, to 6,417.8, as an increase in metal prices pushed mining stocks higher.
The FTSE 100 has ended the session on a positive note with a rise of 32.6 points, or 0.51%, to 6,397.3, following the Bank of England's decision to maintain interest rates at 5.25%.
The FTSE 100 has ended the day slightly down with a drop of 1.4 points, or 0.02%, to 6,364.7, as stocks trading ex-dividend offset insurer gains.