Investopedia

Calculating Beta for Private Companies: Expert Methods Explained

Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...
Investopedia

Linear Relationship: Definition, Formula, and Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
BMJ Open

Comparison of ciprofol versus propofol on gastrointestinal motility in patients undergoing laparoscopic radical resection for colorectal cancer: study protocol for a randomised ...

Background Postoperative ileus (POI) is a common complication after abdominal surgery that significantly delays recovery. Evidence suggests that the general anaesthetic propofol inhibits ...

Adam Grant on lessons from the pandemic, datum versus data, and how abstract numbers can lead to very real human outcomes

In this excerpt from the new book 'Speak Data,' the Wharton professor and best-selling author shares his thoughts on how we ...
BMJ

Limits to the measurement of habitual physical activity by questionnaires

Despite extensive use over 40 years, physical activity questionnaires still show limited reliability and validity. Measurements have value in indicating conditions where an increase in physical ...
Wall Street Journal

Hang Seng Index HSI

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...