It has been a positive end to the week for the S&P/ASX 200 (Index: ^AXJO) (ASX: XJO). The benchmark index finished the day higher by over 0.3% to 5,526 points, despite the energy sector acting as a drag on proceedings.

Amongst the many gainers on the market there were four shares in particular that ensured their respective shareholders went into the weekend smiling. Here’s why they soared:

Ardent Leisure Group (ASX: AAD) shares surged higher by almost 11% to $2.55 following the surprise announcement that it is selling its Health Clubs division to Quadrant Private Equity for $260 million on a cash‐free, debt‐free basis. According to the release, the divestment will allow management to execute on the pipeline of new high‐yielding Main Event centres in the United States. I personally think this has been a great move by management and expect it to bring a lot of value to shareholders.

Ardent Leisure’s share price is up 21% in the last 30 days.

Amaysim Australia Ltd (ASX: AYS) shares have gone gangbusters and climbed almost 17% to $2.09 after the mobile telecoms retailer released incredible full year results which saw revenue jump 19.2% to $253.5 million and underlying net profit after tax rocket 110.5% to $20 million. As well as gaining 140,000 subscribers as a result of its acquisition of Vaya Pty Limited, Amaysim added 108,000 subscribers itself organically. It’s not surprising to see the share price rally hard after such a positive result, especially with its shares trading on a forward price-to-earnings ratio of 12.3.

Amaysim’s shares are still down 10% this year despite today’s gains.

Cleanaway Waste Management Ltd (ASX: CWY) shares have rocketed higher by 15% to $1.04 thanks to a 38.5% jump in full year underlying profit after tax. The waste management company has performed very inconsistently in the last few years, but things are starting to look much better now. Despite this I’d still suggest waiting to see if the company can sustain this strong performance over the next couple of years before making an investment.

Cleanaway Waste Management’s share price has now climbed 31% in 2016.

Jumbo Interactive Ltd (ASX: JIN) shares have jumped over 11% to $1.73 after the lottery ticket reseller reported its full year results. The company reported a strong 18% increase in revenue and a whopping 604% increase in profit. This is undoubtedly a great result, however I do have concerns for the future. If lottery operator Tatts Group Limited (ASX: TTS) were to eventually take things in-house then Jumbo’s business would face a substantial loss of revenue.

Jumbo Interactive’s share price is up 64% this year.

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Motley Fool contributor James Mickleboro has no position in any stocks mentioned. The Motley Fool Australia has no position in any of the stocks mentioned. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Bruce Jackson.