Mohamed Diallo is a foot soldier in the army of savers that banks are leaving behind. A livery cabdriver in New York, he wants to start a fruit-importing business. But his dream is clashing with a harsh financial reality.

After subtracting the cost of leasing his cab, his rent and other expenses like food and a cellphone, the 56-year-old recent immigrant from Guinea typically has just $300 to deposit into a savings account at the end of each month.

Read the whole story at Wall Street Journal