Market rumour 'cheating' on rise in London

clock

Market misconduct ahead of major takeover deals in London is on the rise, jeopardising the City's status as an international financial centre, the FSA warns.

To combat insider dealing on M&A activity, the regulator measures market cleanliness through the informed price movements (IPM) system which monitors stock price changes ahead of regulatory announcements. In its latest Market Watch newsletter, the FSA revealed the IPM level on FTSE100 merger and acquisitions announcements was 28.6% in 2006 and 28.7% in 2007 – well up on the 23.7% seen in 2005. However, the FSA says IPMs are not a “direct match” for levels of insider dealing; which can also be explained by correct assumptions from analysts and the media, deliberate ‘strategic’ leaks by c...

To continue reading this article...

Join Professional Adviser for free

  • Unlimited access to real-time news, industry insights and market intelligence
  • Stay ahead of the curve with spotlights on emerging trends and technologies
  • Receive breaking news stories straight to your inbox in the daily newsletters
  • Make smart business decisions with the latest developments in regulation, investing retirement and protection
  • Members-only access to the editor’s weekly Friday commentary
  • Be the first to hear about our events and awards programmes

Join

 

Already a Professional Adviser member?

Login

More on Your profession

Adviser on crypto: 'I spend most of my time telling clients not to invest in it'

Adviser on crypto: 'I spend most of my time telling clients not to invest in it'

Panel unpacks next gen themes in advice

Isabel Baxter
clock 10 February 2026 • 3 min read
New Talent Alliance uncovers 'inconsistent' advice market data

New Talent Alliance uncovers 'inconsistent' advice market data

Identified ‘serious long‑term talent pipeline risk’

Jenna Brown
clock 10 February 2026 • 2 min read
Dynamic Planner CEO: Cost to serve remains advice's 'Achilles heel'

Dynamic Planner CEO: Cost to serve remains advice's 'Achilles heel'

Updates on technology’s firm AI developments

Isabel Baxter
clock 10 February 2026 • 2 min read