Peloton is reaping the rewards of cost cutting and growth strateges. (Photo by Smith Collection/Gado/Getty Images)Gado via Getty Images Fitness brand Peloton surprised the market this week when it posted a profit for its fiscal fourth quarter and it laid out a strategy to build on cost reductions and return to growth.Under CEO Peter Stern, the company recorded a net income of $21.6 million, compared with a loss of $30.5 million in the year prior, largely thanks to better-than-expected sales but also lower o ...