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Technology is the lifeblood of our current economy and dictates future innovation. The sector has also taken a primary leadership role in the 11-year bull market.

But, as most of you are aware, that doesn’t mean that tech stocks are always smooth sailing. In fact, the Nasdaq and tech stocks can be a bumpy ride! Just check out today’s chart.

Displayed here is a “monthly” chart of the Nasdaq Composite (COMP) which highlights some a handful of large bearish reversal patterns.

The month of October is not over yet (two days remaining)… However, it appears that the Nasdaq Composite index is creating a rather sizeable bearish reversal pattern. As well, this move to the downside is occurring just after the index kissed the underside of the 261% Fibonacci extension level at (1).

Glancing back at recent history, you can see that a handful of large monthly reversal patterns have lead to significant declines of -25% or more.

Should October close out at current levels and confirm this bearish reversal pattern, it would send a message of caution to investors.