Excellent growth ideas for a Stocks and Shares ISA in June 2026

Two growth ideas for a Stocks and Shares ISA in June 2026 are MercadoLibre and Wise. MercadoLibre posted Q1 revenue up 49% year over year to $8.84 billion, as it expands warehouses and broadens Mercado Pago fintech. Margins are under pressure from logistics and credit investments, and the stock has dropped about 33% in the past year amid competition from Amazon. The author notes Latin America's growing e-commerce and digital banking, with Q1 digital ad revenue up 63%, signaling a long-term opportunity. Wise has fallen 24% in a month due to a Belgian money-laundering probe, but a limited case could still offer upside.