Its financials have shown significant improvement in recent quarters.Lyft (LYFT +3.54%) is one of the top companies in the ride-sharing market, but at $8 billion in market cap, it's nowhere near the massive $200 billion that its far larger rival Uber (UBER +0.24%) is worth.Investing in a smaller business can sometimes lead to better returns for investors, especially when there is such a significant gap between it and the market leader -- assuming, of course, that it delivers strong results.This year, shares ...