Use a weighted average to evaluate stock performance if purchased in multiple transactions. Calculate weighted average by multiplying share price by quantity, then divide by total shares. Knowing your ...

Stock buybacks have become all the rage, and many companies routinely return capital to investors by repurchasing their shares. Yet not all companies do a good job of timing their stock repurchases.

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 ...