FTSE 100 Index on the weekly chart has formed a bearish engulfing candlestick pattern at the top end of broadening triangle. The mentioned pattern requires confirmation in form of a lower weekly close. The immediate downside support is at 7120 level. A breach of this level will lead to a failed breakout in the index and it may head lower towards 6700 - 6600 level. The RSI (14) indicator on the weekly chart is exhibiting a negative divergence.