Peloton Interactive (PTON +2.21%) has given investors a roller-coaster ride over the last five years. Shares soared to a high of $171 in 2021, but as people returned to the gym, the stock plunged and is now trading around $4 with a market capitalization of $1.7 billion.Revenue growth has stalled, but Peloton still has more than 2.6 million subscribers. That base generates recurring revenue and cash flow, which helps explain why the stock looks cheap, trading at about 5 times trailing-12-month free cash flow ...