Double-digit improvements and raised guidance in the company's latest reported quarter pleased investors.According to data compiled by S&P Global Market Intelligence, retail-oriented fintech Lightspeed Commerce (LSPD 7.55%) was ringing it up on the stock market -- its shares had booked a more than 13% gain week to date as of early Friday. This followed news that the point-of-sale solutions developer had dropped quarterly results that featured beats on both the top and bottom lines.Illuminating the latest qu ...