Can February March?

It’s been more profitable to own stocks in January and July than any other month. Here’s a theory as to why

Finance | Stocks do best in January and July

Stocks are fractional pieces of large businesses. If markets are efficient, there shouldn't be any excess risk-adjusted returns available to investors. But, by looking at 100 years of monthly return data for American stocks, we can see that it has been far better to own stocks in January and July than in Septe…