Image source: Getty Images The broader market is continuing to rally in April with reopening the economy and improving employment data across North America. The S&P/TSX Composite Index has risen by 1.6% this month — taking its year-to-date gains to nearly 9%. It could be a good time to buy rallying stocks to get outstanding returns on your investment. Here are five rallying high-growth stocks that you can buy today. AirBoss of America stock AirBoss of America(TSX:BOS) is a Newmarket, Canada-based tires & rubber products company with a market cap of $1.1 billion. It’s one of the largest manufacturers of custom rubber products in North America. After rising by 80% in 2020, its stock rally accelerated this year, as it inched up by 155.4% in the first quarter. Out of the last 30 years, AirBoss of America stock has traded on a positive note in 19 years.