MILANLONDON, Feb 14 Reuters TUI has become the latest company to ditch the London stock market, which is struggling to retain big companies and attract new share offerings, after shareholders of Europe39;s biggest travel agent voted to move its listing to Frankfurt.

The goahead at Tuesday39;s annual general meeting to focus on a Frankfurt listing comes two weeks after Londonlisted gambling firm Flutter said it would propose moving its primary listing to New York at its shareholder meeting in May.

TUI also reported far betterthanexpected quarterly results as it swung to a profit on the back of robust travel demand.

Other big firms have also left London in recent years, or are considering leaving, under pressure from investors seeking to boost the value of their shareholdings following Brexitrelated complications that have squeezed UK market valuations.

We see a lot of dissatisfaction among management of UK companies that are continuing to grow and where their share prices just don39;t reflect that, said David Stevenson, who manages portfolios of small and midcap UK companies at Amati Global Investors in Edinburgh.

It39;s tough love for many companies listed in London. Some grumble about it, some vote with their feet, and it39;s not a healthy environment at all, he said.

According to LSEG data, UK stocks are currently 35 cheaper than their global peers, almost the widest gap in more than three decades. Before Britain39;s vote to leave the European Union in 2016, the…