Shares of retail Forex and CFD broker Plus500 Ltd (LON:PLUS) have been on a tear since announcing fourth quarter and full year 2014 results last week. Investors seem to be impressed with Plus500's record Q4 revenues of $66.5 million, its rising EBITDA margins, increasing dividends – and rosy outlook given the start to fiscal 2015.

The only negative we had found was that Plus500’s customer acquisition cost has risen somewhat, hitting $1,120 in Q4 (compared to just $632 in 2013). But that’s splitting hairs in what was otherwise a very impressive Q4 and 2014 report.

And in Wednesday trading on the London Stock Exchange Plus500 shares continued their climb, topping the £7.00 level for the first time since April 2014, hitting an all-time high of £7.14 before settling to close at £7.10, also an all-time best closing price.

Plus500 shares have now risen 20.3% since announcing Q4 results.

At its current share price Plus500 has a market valuation of £815 million, or $1.24 billion. That is about three times the valuation of the NYSE-listed parent of Forex.com, Gain Capital Holdings Inc (NYSE:GCAP), and about 30% the valuation of UK industry leader IG Group Holdings plc LON:IGG).

Plus500 share price, past six months. Source: Google Finance.