Thrive Capital has invested $100 million in Shopify, a rare move by the venture firm into a public company. The investment centers on Shopify's push into AI driven commerce tools for merchants. This funding highlights external interest in Shopify's AI initiatives separate from earnings or legal news. Shopify (NasdaqGS:SHOP) last closed at $100.28, with the stock down 9.2% over the past week and down 23.5% over the past month. Year to date, the share price is down 36.2%, and it is down 9.5%...