( Read More: Weak US Sales Weigh on Wal-Mart Earnings ) While Target has posted revenue growth for three straight quarters, some investors are concerned that the same sales weakness seen in Wal-Mart's results could also be reflected when Target releases its fiscal first-quarter results Wednesday. Over the past three months, Target shares have gained 12.5 percent, and are trading higher ahead of its earnings release. Wall Street is expecting earnings per share of 85 cents per share on revenue of $13.45 billion with same-store sales growth of 2 percent.