Tuesdays are all about academic (and practitioner) literature at Abnormal Returns. You can check out last week’s links including a look at the rise of multi-factor ETFs in the US.

Chart of the Day

After factoring in factors, Warren Buffett’s Berkshire Hathaway ($BRK.A) has generated strong alpha of late. (via @FactorResearch)

(factorresearch.com)