Shares of RealReal Inc. /zigman2/quotes/212846592/composite REAL +4.68% weaved between gains and losses in the extended session Monday after the e-commerce retailer of secondhand luxury goods reported a narrower first-quarter loss and sales that were above Wall Street expectations. RealReal said it lost $56 million, or 62 cents a share, in the quarter, compared with a loss of 44 cents a share in the year-ago quarter. Adjusted for one-time items, the company lost 49 cents a share. Revenue rose 27% to $98.8 million, the company said. Analysts polled by FactSet expected a GAAP loss of 53 cents a share on sales of $96 million. The company said it expects gross merchandise value between $320 million and $330 million for the second quarter, which would be 75% to 80% year-on-year growth. The stock ended the regular trading day down 10%.