 Trexquant Investment LP raised its stake in shares of LivePerson, Inc. NASDAQ:LPSN by 2.1 in the 2nd quarter, Holdings Channel.com reports. The institutional investor owned 19,079 shares of the technology companys stock after purchasing an additional 389 shares during the quarter. Trexquant Investment LPs holdings in LivePerson were worth 790,000 at the end of the ... 