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How investors misjudge market predictions based on quarterly earnings

Research from Wharton finance professor Jessica Wachter shows that investors systematically overreact to repetitive earnings news and then correct that mistake in the months that follow. The cause is a behavioral phenomenon known as correlation neglect.

Uncovering predictors for post-surgical chronic opioid use

Penn Nursing researchers have identified several key predictors of whether patient will continue using opioids long after the typical recovery period from surgical procedures.

1 min. read

Tech companies like Amazon and Meta are tightening their performance reviews. Here’s what that could signal, according to experts

Peter Cappelli of the Wharton School says that it is cheaper for companies to fire people for poor performance than it is to lay them off.

Many young people are being prescribed multiple psychiatric drugs at once — which can be risky

Sean Hennessy of the Perelman School of Medicine led a study that explored the risks of prescribing multiple medications at once.

Penn Medicine celebrates 60 years of pioneering transplant surgeries

Penn Medicine’s Transplant Institute celebrates 60 years of pioneering in transplant surgeries.

AI disrupting traditional careers may not be bad for children

A study from the Wharton School found that six out of 10 people said they would do things differently in their careers if they could start over.

A daughter reexamines her own family story in 'The Mixed Marriage Project'

PIK Professor Dorothy Roberts of Penn Carey Law and the School of Arts & Sciences is interviewed about her book ‘The Mixed Marriage Project.’

Tabletop role playing games make science an adventure

Amanda Weiss of the Perelman School of Medicine developed tabletop games that teach players about complex biology.

Funding cuts, shifts in aid could make college harder to afford for low-income families

Julie Wollman of the Graduate School of Education comments on the future of financial aid for college studies.

News

Lioznyansky, Wu earn All-Ivy Honors on final day of Ivy League Championships

First-year Simon Lioznyansky earned First Team All-Ivy and third-year Joseph Wu earned Second Team All-Ivy at the 2026 Ivy League Fencing Championships on Sunday, Feb. 8.