Sallie Krawcheck’s women-focused investment startup expands to debit cards and a membership model

The last financial crisis helped transform former top Wall Street executive Sallie Krawcheck into an entrepreneur. The current one seems to be turning her back into a banker—though of a less traditional type. Ellevest, the women-focused wealth-management startup that Krawcheck cofounded in 2014, is expanding its financial products and launching…