Citigroup's recent claim that Apple would miss its own Q1/Q2 revenue forecasts has been lent weight by Topeka Capital's Apple Monitor reporting that key Apple suppliers had a "terrible" February (via Business Insider). The monitor, which tracks the results of Apple's key suppliers, is compiled by Topeka Capital's Brian White, an analyst normally bullish on Apple.When [supplier] results are good, it usually means good things for Apple. When the results are bad, watch out. White says the February results for his Apple Monitor were down 31 percent sequentially, whi