Nasdaq showing strong sell signals

According to well known Ichimoku trading system NASDAQ index is showing strong sell signals. A correction is awaited.

Signal 1: Price crossed below Kumo cloud.
Signal 2: Ichimoku conversion line crossed below Ichimoku baseline, Also both of them are pointing in a downward direction.
Signal 3: Future Kumo: senkou span A is below senkou span b and both of them are pointing downwards indicating strong downward movement.
Signal 4: Chikou span is below the price and in open space indicating free downward movement, without any hurdles.