Preppy clothier Vineyard Vines plans to sell a minority stake that values the company as high as $1 billion, according to Reuters which cited multiple unnamed sources. Stamford-based Vineyard Vines moved its headquarters last year within Stamford to the Shippan Landing complex, with a commitment to employ 350 people here within five years in exchange for up to $14.5 million in state incentives. Vineyard Vines was founded by Shep and Ian Murray in 1998, who have yet to sell equity to outside investors. Reuters reported the company has retained Goldman Sachs to help it secure outside investors. Read more at Greenwich Time.