By Mehr Bedi (Reuters) – U.S. consumers are exhibiting fragility ahead of the peak period for corporate results next month, as some are struggling to pay bills and others are slowing purchases of cars, sneakers, and household goods, the week’s earnings show. Data released on Friday showed U.S. consumer spending increased more than expected in August, but aggressive interest rate hikes from the Federal Reserve as it battles stubbornly high inflation are slowing demand. Nike, maker of Air Jordan and Converse sneakers, saw its shares tumble to the lowest level in 2-1/2 years on Friday, a day afte…