Ivanhoe Energy Inc. (NASDAQ: IVAN) shares are surging into the close, extending a winning streak that started last Thursday. The stock is higher by $.28, or 19.32%, to $1.73 on volume of 4.7 million shares. Typical daily volume is just under a million shares. 8x8 Inc. (NASDAQ: EGHT) is ... experiencing a huge spike in volume. Shares are up 9.37% to $1.75 on volume of 1.6 million shares. There is no material news out at this time that could justify such an upswing.