by Jason Bodner
September 23, 2025
Did you know that bamboo can grow by more than three-feet in a single day? This astonishing growth rate makes bamboo one of the fastest growing plants on Earth. When conditions are right, entire forests can appear seemingly overnight – but it often takes five years of underground growth before the first green shoot emerges. In other words, the real growth happens under the surface before we see anything.
Markets can also surge with unexpected vigor, after a long base-building period.
Barring sudden geopolitical instability, the next three months should be stellar for stocks, and we have already seen a typically weak summer season instead being surprisingly strong.
Graphs are for illustrative and discussion purposes only. Please read important disclosures at the end of this commentary.
With one week left to go in September, we’ve seen five straight months of rising stock markets in all four major indexes (above), but for the previous 35 years, August and September have been the two weakest months for equities. Since 1990, September has been positive less than half (48.6%) of the time. This matters because the final quarter of the year is usually the strongest. October’s average returns are solid (a +1.3% average), December is better (+1.6%), and November posts the highest average gains (at +3.2%).
Graphs are for illustrative and discussion purposes only. Please read important disclosures at the end of this commentary.
The post 9-23-25: Welcome to the “Bamboo” Market appeared first on Navellier.







