Stripe has just made a fresh €287 million investment in its Dublin-based international operation, bringing the total capital injections by the online payment group’s American headquarters in Irish subsidiaries to €641 million in less than four months. On March 15, US-based Stripe Laboratories purchased new shares in Stripe Payments International Holdings Ltd, the Dublin company sitting at the top of the group’s business structure outside the US, for $314 million, which converted to €287 million, according to new filings. On Monday, €129 million of this then trickled down to Stripe Technology Company Ltd, the Irish-based holding and intellectual property central…