It's been a reminder for tenured investors, as well as a learning experience for those new to Wall Street, that short-term stock ... months are more likely to produce upside in the broader market ...

For example, the worst months to invest in the largest stock market indexes -- like the S&P 500, Nasdaq 100, and the NYSE (New York Stock Exchange) -- are June and September, according to tracked ...

The index tracks the performance of the top 90% of the investable universe by market cap, and each month we screen it to find the best- and worst-performing ... the year. The stock ended the ...