Peloton Interactive Inc. PTON, +1.44% shares jumped more than 35% in after-hours trading Friday after a report that potential acquirers including Amazon.com Inc. AMZN, +13.54% are sizing up the exercise equipment maker. The Wall Street Journal reported Friday afternoon, citing "people familiar with the matter," that Amazon had hired advisers to discuss a potential deal for Peloton, which has seen a pandemic boom in sales dissipate and take its stock price down with it.