RF Industries, Ltd. (RFIL) shares soared 12.7% in the last trading session to close at $8.51. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 36.8% gain over the past four weeks.RF Industries is benefiting from an expanding portfolio with the addition of applications like small cells, distributed antenna systems, industrial connectivity and DAC thermal cooling, apart from interconnect product offerings.This company is expected to ...