Investors suddenly became bullish on the company's rather specific retail segment.On the last trading day of the week, it was good to be a furniture and home furnishings retailer.Largely on the news that a prominent peer in the sector had a smashing second quarter, Wayfair (W) stock rose in sympathy on Friday. The company's share price zoomed nearly 6% higher, easily beating the 0.5% rise of the bellwether S&P 500 index.A peer outperformsThe rival with the solid quarterly figures was RH (RH), which unveiled ...