Optimism among U.S. investors rose again in the third quarter after plateauing in the second quarter and is now hitting levels not reached since 2000.

The Wells Fargo/Gallup Investor and Retirement Optimism Index is at its highest level since early 2007, following gains in each of the last three quarters.

Flattening engagement reflects a shift in how leaders must manage performance.

About six in 10 Americans overall report having a retirement savings plan, but the rate differs sharply by income, education and other factors.

Last year, negative emotions fell for the first time since 2014, with experiences of stress, sadness, anger, worry and physical pain each taking a downturn.

Ukrainians' future life ratings have dropped from 7.9 to 6.9 since Russia's invasion, reflecting growing war fatigue.

What makes a great leader? In the latest Leading With Strengths interview, Russell Cox shares how his Achiever, Futuristic and Positivity help create a mission-driven culture and better business results.

Ahead of Germany's election, Gallup data point to several issues facing the victor, including living standards, housing and migration.

Employee engagement is driven more by great managers than by countries' labor policies or job markets.

The latest Hologic Global Women's Health Index shows that for the first time in the survey's four-year history, fewer women are reporting that they were tested for any type of cancer.