Lyft logo displayed on a phone screen is seen in this illustration photo taken in Krakow, Poland on ... [+] July 8, 2021. (Photo Illustration by Jakub Porzycki/NurPhoto via Getty Images)NurPhoto via Getty ImagesBehind its simple ride-hailing concept, Lyft (NASDAQ: LYFT) has faced significant financial challenges, including underwhelming earnings and costly customer service investments. The company’s stock, despite a recent 10% year-to-date surge to about $14 (Jan. 6), remains almost 80% off its four-year hi ...