 Shares of Warby Parker Inc. WRBY, 7.26 rose 2.8 in premarket trading Thursday, after the eyeglass, contacts and vision tests company reported a wider-than-expected loss as gross margin contracted, but revenue beat forecasts. Net losses for the quarter to June 30 were 32.2 million, or 28 cents a share, after a loss of 18.8 million, or 35 cents a share, as shares outstanding increased to 114.7 million from 54.0 million. 