These companies have plenty of growth runway left.Growth stocks experience varying degrees of interest from investors, depending on how the economy is doing. But even when interest ebbs, if the stocks represent solid businesses with long-term trajectories, the interest eventually returns as the company adjusts to meet changing needs.With some recent changes in the economy, interest in growth stocks is back on the rise. If you have available cash to invest, there are several quality stock buys ripe for the p ...