Aspen Buys 9.65% Stake In Vivus, May Acquire Added Holdings By: Benzinga via Benzinga May 28, 2014 at 12:02 PM EDT Vivus (NASDAQ: VVUS) spiked sharply early in Wednesday's trading after an investment group said it acquired a 9.65 percent stake ... Read More >> Related Stocks: Senvest Capital Inc Vivus Inc