The Hewlett Packard Enterprise stand at the Mobile World Congress trade show last year. Photo: Chris Jung/Zuma PressHewlett Packard Enterprise is in advanced talks to buy Juniper Networks for about $13 billion, in a bid to better position the nearly 100-year-old technology company in the era of artificial intelligence. A deal between the two companies could be announced as soon as this week, according to people familiar with the matter, assuming the talks don’t fall apart.  ...