 Shares of Sumo Logic Inc. fell more than 7 in the extended session Wednesday after the data analytics company reported fiscal fourth-quarter results that were better than Wall Street expected and a deal to buy an Italian company. Sumo Logic said it lost 20.6 million, or 20 cents a share, in the quarter, compared with a loss of 34.5 million, or 1.95 a share, in the year-ago quarter. 