Shares of Citrix Systems Inc. were jumping Wednesday afternoon amid a report that said the cloud-computing company had hired Goldman Sachs potentially sell itself. The New York Post reported that billionaire investor Paul Singer asked that Citrix executives enlist the help of an investment to explore a possible sale of the company, citing unnamed sources. Shares of Citrix were up by about 6% in late-afternoon trade on Wednesday. The technology company has gained 2% so far in 2019, lagging substantially behind the broader market and the technology-laden Nasdaq index.