"In light of our findings, we find it difficult to side with the bulls at this time," says Citigroup after checks of the Apple (AAPL) supply line. "While we have expected to hear optimism around Apple's forthcoming product refreshes ... (we) were surprised at the skepticism at many points in the supply chain." The field work also suggests a cut in iPad Mini production this quarter to 6M-7M from 8M. Citi has been bearish on Apple for awhile. Shares -0.35% premarket.