O’Reilly was the biggest percentage gainer within the consumer discretionary sector, as tracked by the Consumer Discretionary Select Sector SPDR Fund (NYSEARCA: XLY). While the era of used cars growing in price is behind us, as another pandemic anomaly fades into the rear-view mirror, inflation and rising interest rates are still keeping many would-be buyers out of new-car showrooms. But what about potential roadblocks such as electric vehicles, which present a whole new set of challenges, as their repairs may be unfamiliar to mechanics well-versed in traditional internal combustion engines?