Ooma (OOMA) shares soared 6.4% in the last trading session to close at $7.51. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 14.7% loss over the past four weeks. Ooma’s focus on small business customers with simple, easy-to-use interfaces that can be implemented quickly without IT support for an integrated business connectivity solution is likely to drive healthy growth momentum. Its low-cost fixed line that reportedly offers fa ...