Research done at Harvard found across 26,000 earnings calls for public traded companies that the time of the call determined the temporary rise or fall of the stock. Why?

Because calls in the morning were more optimistic and energetic, while calls in the afternoon were plagued by fatigue, and as a result, more negative and irritable.

Earnings calls in the morning were more likely to lead to a bump in the stock price and calls in the afternoon to a decline in the five hours following the call.

Our mood rises throughout the morning. Happiness peaks around lunchtime and then goes down significantly before rising again in the evening after work is over.

The lesson is if you’re meeting somebody important for the first time or need to have an important discussion with a colleague, do your best to schedule it earlier in the day.

You’ll both be happier and more optimistic to invest in your rise together.

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