AudioCodes (AUDC) shares soared 6.7% in the last trading session to close at $9.34. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 18.8% loss over the past four weeks.AudioCodes is likely to have benefited from the secular tailwinds related to IP-based communications. The uptrend is also expected to have been triggered by its continued focus on high-margin businesses, resulting in a faster-than-expected expansion in operating ma ...