 W shares surged on Monday as investors anticipated a huge spike in sales when the company reports June quarter results before the start of trading on Wednesday. Wayfair ticker: W posted nearly 20 sales growth in the March quarter; when it reported those results in early May, the company said revenue growth for the quarter at that point was trending up 90 from a year ago. The Wall Street analyst consensus estimates call for June quarter revenue of 3.32 billion, up about 71, but there are estimates that run north of 4 billion. 