As Apple (AAPL) slides, we have been monitoring key potental support levels. We noted a confluence of support factors around 155, but AAPL broke below these during the 9/21 session.AAPL Daily Chart(click to enlarge)Next Support Levels:- 155 was a key level for a bullish trend. Now we might see AAPL in a more sideways market compared to price action in 2017 so far. - Still, since we don't consider AAPL bearish yet, except for the short-term, we should monitor the next key support levels.- 148-150 area involves a key support/resistance pivot area. - Below 148, 142-142.50 is another key support pivot, as well as where the 200-day simple moving average resides.