No — if a Buy turns to blank, this means you should treat it as an Out signal in the sector fund model. This occurs when a fund with a Buy signal drops out of the Top 3. Since the model only allocates capital to the Top 3 funds by relative strength, this means that your fund is lagging behind another fund in its relative strength. This does not mean you automatically buy the new fund, but that you should consider eliminating or reducing your capital allocation to a weakening fund.