The increase in price target from $675 to $750 by Wells Fargo indicates a positive outlook on Costco Wholesale's stock performance in the short term. This adjustment suggests that the analyst sees potential for growth or positive momentum in Costco's stock, which could lead to an increase in investor confidence and potentially drive the stock price up. The Equal-Weight rating indicates that the stock is expected to perform in line with the market or sector, but the raised price target signals specific optimism about Costco.