Alliancebernstein Holding's 15min chart shows MACD Death Cross and Bollinger Bands Narrowing.

As per the 15-minute chart analysis of AllianceBernstein Holding, the MACD indicator has triggered a "Death Cross" signal, while the Bollinger Bands have narrowed significantly. This suggests that the stock price has the potential to continue declining, with the magnitude of price fluctuations likely to decrease.