 Shares of Allbirds Inc. birds fell around 4 in the extended session Wednesday after the footwear and apparel maker beat fourth-quarter expectations but called for slightly lower sales in the current quarter. Allbirds said it lost 10.4 million, or 9 cents a share, in the quarter, compared with a loss of 9.4 million, or 18 cents a share, in the fourth quarter of 2020. 