A recent analysis showed that about half of the 1.5 million participants who use target-date funds spread their dollars across other investments in their plans. That's a problem. Today's Stocks & Topics: 52-Week High/Low, TEVA - Teva Pharmaceutical Industries Ltd., VEEV - Veeva Systems Inc., Finances & Children, MELI - MercadoLibre Inc., GOOG - Alphabet Inc., ETFs, CM - Canadian Imperial Bank of Commerce.